Pictures: The Summer Olympics from Athens to London

Anonymous / AP

Triple handshake between the three winners of the men's 400-meter hurdles race of the Rome Summer Olympics stand on the podium September 5, 1960 for the medal ceremony at the Olympic Stadium. They are: Glenn Davis; center, winning gold medal; Clifton Cushman, Ill., left, winner of silver medal; and Richard Howard, right, who won the bronze medal. (AP Photo)

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The German airship Hindenburg flies over the Olympic Stadium, outside Berlin, on August 1, 1936, during the opening ceremony of the Olympic Games. (AP Photo)

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General view of the Russian team marching at the Olympic the stadium packed with 70,000 spectators on July 19, 1952 during the opening ceremony of the Summer Olympic Games in Helsinki, Finland. (AP Photo)

Anonymous / AP

Mrs. Fanny Blankers-Koen, the Dutchwoman, winning the last lap of the 400 meters relay final at Wembley Stadium in London, United Kingdom, on August 7, 1948, to make Holland the winners of the event in 47.5 sec. Also in picture is H.H. Nissen of Denmark who came second with USA third. (AP Photo)

Kirsty Wigglesworth / AP

Cao Zhongrong of China, left, and Ondrej Polivka of the Czech Republic compete during the fencing section of the men's modern pentathlon at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Kirsty Wigglesworth)

AMY SANCETTA / AP

The United States women's 4x100 meters relay team' from left: Inger Miller, Gail Devers, Chryste Gaines and Gwen Torrence laugh during their victory lap after winning the gold at the 1996 Summer Olympic Games in Atlanta, Saturday August 3, 1996. (AP Photo/Amy Sancetta)

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Pekka Vasala (226) Finland, throws up his arms as he crosses the finish line of the 1,500 meter Summer Olympic Games run on Sunday, September 10, 1972 at the Olympic Stadium in Munich, Germany, to win the gold medal. Behind him are Kipchoge Keino (576), Kenya, silver medal, and Rod Dixon (688), New Zealand, bronze. (AP Photo)

Mark J. Terrill / AP

Japan's Kosuke Kitajima, front, swims on his way to win gold in the men's 200-meter breaststroke final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Thursday, Aug. 14, 2008. In background swims United States' Scott Spann. (AP Photo/Mark J. Terrill)

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Czechoslovakia's Emil Zatopek wins the men's 10,000-metre Olympic Games race at Wembley Stadium, London, July 30, 1948. Zatopek set a new Olympic record for the race. (AP Photo)

SADAYUKI MIKAMI / AP

U.S. diver Greg Louganis of Mission Viejo, Calif. does a back 2 1/2 somersault from the tuck position during springboard preliminaries Tuesday, August 7, 1984 in the Summer Olympics in Los Angeles. (AP Photo/SADAYUKI MIKAMI)

Michel Lipchitz / AP

Pete Sampras of Bradenton, Fla., returns the ball during his men's single tennis match versus Adrei Cherkasov of the Unified Team in Barcelona, Sunday, August 2, 1992. The Russian won 6-7 (7-9), 1-6, 7-5, 6-0, 6-3. (AP Photo/Michel Lipchitz)

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Tommie Smith of the U.S. raises his arms as he wins the 200 meters Olympic sprint in Mexico City Oct. 16, 1968. Teammate John Carlos (259) finished third. At far right is Michael Fray of Jamaica, who did not place. Smith and Carlos caused controversy by raising black power salutes on the podium during their medal ceremony. (AP Photo)

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Seen here is the 400-meter men's medley compettion at the 1968 Summer Olympics in Mexico City, Mexico, Oct. 1968. (AP Photo)

Elise Amendola / AP

Serena Williams, left, and Venus Williams of the United States compete against Sorana Cirstea and Simona Halep of Romania in womens doubles at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Monday, July 30, 2012. (AP Photo/Elise Amendola)

Bernat Armangue / AP

Australia's crew Mathew Belcher and Malcolm Page, foreground, celebrate after winning the gold medal of the 470 men's class sailing competition at the London 2012 Summer Olympics, Friday, Aug. 10, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

Gregory Bull / AP

U.S. gymnast Gabrielle Douglas performs on the balance beam during the artistic gymnastics women's individual all-around competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Gregory Bull)

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Marlis Mueller, of Germany, during the women's javelin Summer Olympic Games event at the Olympic stadium in Helsinki, Finland on July 24, 1952. (AP Photo)

David J. Phillip / AP

United States' Deedee Trotter, right, United States' Sanya Richards-Ross, front center and United States' Allyson Felix, back left, celebrate winning gold in the women's 4x400-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip )

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Ademar Ferreira da Silva of Brazil competes in the Summer Olympic Games hop step and jump event at Helsinki's Olympic stadium on July 23, 1952. He won the final with an Olympic record distance of 15.95 meters. (AP Photo)

Anonymous / AP

Roland Matthes of East Germany stands on victory stand wearing gold medal he won Oct. 22, 1968 for winning the 100 meter backstroke during Olympic swimming competition in Mexico City. (AP Photo)

RW / AP

His hand gloved in black, Tommie Smith of the U.S. accepts congratulations from the Duke of Exeter after being awarded the gold medal for winning the 200-meter dash in the Olympics. Moments later Smith and his teammate, John Carlos, left winner of the bronze medal, stood with gloved fists raised aloft during the playing of the American National Anthem in a racial protest that aroused a controversial reaction among other athletes in Mexico City. Smith won the event with the record breaking time of 19.8 seconds.

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Bob Mathias, defending Olympic decathlon champion, heaves the discus at Helsinki, July 26, 1952, to add to his lead in the decathlon. The Tulare, Calif., athlete's toss of 153 feet, 10.06 inches added 838 points to his decathlon total. (AP Photo)

Diether Endlicher / AP

An unidentified father and son wave an American flag as jets draw the Olympic rings in the sky during the Opening Ceremonies of the 23rd Olympiad in Los Angeles July 28, 1984. (AP Photo/Diether Endlicher)

MILCAR DE LEON / AP

Fireworks burst over the liner Crystal Harmony in Barcelona port Friday night during celebrations for the arrival of the Olympic flame, July 24, 1992. The flame arrived by sailing vessel from Mallorca for ceremonies to open the XXV Games Saturday, July 25, 1992. (AP Photo/Milcar De Leon)

Eric Gay / ASSOCIATED PRESS

Team USA, with Kobe Bryant at top right, celebrates following their win over Spain in their men's gold medal basketball game at the Beijing 2008 Olympics in Beijing, Sunday, Aug. 24, 2008. (AP Photo/Eric Gay)

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Teams assemble in Melbourne Stadium for the opening ceremonies of the Summer Olympic Games in Melbourne, Australia Nov., 22, 1956. (AP Photo)

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High jumper Dick Fosbury of the United States is shown in October 1968, debuting his celebrated "Fosbury Flop," during the Summer Olympics in Mexico City. "The Flop" revolutionized high jumping, and Fosbury went on to win the gold medal with a leap of 7 feet and 4 and 1/4 inches. (AP Photo)

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Hildegard Falck of West Germany, right, crosses the finish line of the Women's 800 meter Summer Olympic Games event on September 3, 1972 in Munich, Germany, to add another gold medal to the West German count. Others are Abigail "Abby" Hoffman of Canada (52), Nijole Sabaite (358) of the USSR, who placed second and Rosemary Stirling (116) of Great Britain. (AP Photo)

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Pictured here is Tokyo Stadium at the opening ceremonies of the 1964 Summer Olympics in Tokyo, Japan, Oct. 10, 1964. (AP Photo)

David J. Phillip / AP

Athletes clear a barrier in a men's 3000-meter steeplechase heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip)

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Rehearsal of torch lighting at Aztec Pyramids northeast of Mexico City, in anticipation of opening ceremonies of the 1968 Summer Olympics. (AP Photo)

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American athlete Fred Morgan Hansen clears the bar to win the gold medal at the Summer Olympic Games pole vault event on October 17, 1964 in Tokyo, Japan. (AP Photo)

Eddie Adams / AP

U.S. decathlon Bruce Jenner of San Jose, Calif., pole vaults during the Summer Olympic games in Montreal, July 1976. (AP Photo/Eddie Adams)

Charles Krupa / AP

Spain's Pau Gasol lays up a shot as he breaks past Australia's Aron Baynes at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Charles Krupa)

Elise Amendola / ASSOCIATED PRESS

Rafael Nadal of Spain reacts to winning a point against Fernando Gonzalez of Chile during their Gold medal singles tennis match at the Beijing 2008 Olympics in Beijing, Sunday, Aug. 17, 2008. (AP Photo/Elise Amendola)

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Bob Van Osdel of the United States as he went over the bar at the Olympic games in Los Angeles, Calif., July 31, 1932 to tie with Duncan McNaughton of Canada for first place. (AP Photo)

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Winning the Men's 1500 meters Summer Olympic Games event at the Olympic Stadium in Melbourne, Australia on December 1, 1956 is Ron M. Delaney of Ireland, left, followed by second placed Klaus W. Richtzenhain of Germany (second from right), third placed John M. Landy of Australia (second from left) and fourth placed Ian Boyd from Great Britain (far right). (AP Photo)

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German athlete Sepp Hipp in action during the Summer Olympic Games decathlon pole vault event at the Olympic stadium in Helsinki, Finland on July 26, 1952. (AP Photo)

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Tomas Rodriguez of Panama clears 115kg in the Weightlifting Snatch Competition at the 1984 Summer Olympic games in Los Angeles, Ca., on July 31, 1984. (AP Photo)

Sergey Ponomarev / AP

New Zealand's Marc Willers competes in a BMX cycling men's quarterfinal run at the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012. (AP Photo/Sergey Ponomarev)

SUZANNE VLAMIS / AP

Mary Lou Retton, of the U.S.A., performs on the balance beam during the women's gymnastics individual all-around finals at the XXIII Summer Olympic Games in Los Angeles, Calif., on Aug. 3, 1984. (AP Photo/Suzanne Vlamis)

DOUG MILLS / ASSOCIATED PRESS

Pieter van den Hoogenband celebrates winning the gold medal in the men's 200m freestyle Monday, Sept. 18, 2000 at the Sydney International Aquatic Center during the Summer Olympics in Sydney. Van den Hoogenband tied his own world record with a time of 1:45.35. (AP Photo/Doug Mills)

AMY SANCETTA / AP

Members of the media pursue USA's Shannon MIller, of Edmond, Ohio, after the US women's national gymnastics team won the gold in the team competition at the Centennial Summer Olympic Games in Atlanta on Tuesday, July 23, 1996. (AP Photo/Amy Sancetta)

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Jim Hines of Oakland, Ca., waves to the crowd from the victor's podium during ceremonies at the XIX Summer Olympic Games in Mexico City, Mex., on Oct. 15, 1968. Hines won the Olympic gold medal for his new record of 9.95 seconds in the 100-meter dash. The silver-medal winner at left is Lennox Miller of Jamaica, and the bronze medal winner is Charlie Greene of Seattle, Washington. (AP Photo)

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Don Schollander in action during 400m freestyle swimming in the Tokyo Olympic Oct. 15, 1964. He won gold medal and world mark with a time of 4:12.2. (AP Photo)

MICHAEL PROBST / AP

FILE - This is a Friday, July 19, 1996 file photo of Muhammad Ali, watched by U.S. swimmer Janet Evans, as lights the Olympic flame during the 1996 Summer Olympic Games opening ceremony in Atlanta. Who will or who should light the cauldron for the London Games? With six months to go until the opening ceremony, British bookmakers are taking floods of bets on the issue, while fans, athletes, media and the public at large are speculating on who will get the honor. Five-time rowing gold medalist Steve Redgrave is the big favorite with the bookies. (AP Photo/Michael Probst)

Anonymous / AP

Soccer game between Hungary and Czechoslovakia at the 1964 Tokyo Olympics October 23, 1964. Hungary won the game 2-1 taking the gold medal, over Czechoslovakia, winning the silver medal. (AP Photo)

ERIC RISBERG / AP

The USA's Mike Conley, Fayettville, Ark., jumps to an Olympic record of 18.17 meters in the triple jump Monday, August 3, 1992, at the XXV Summer Olympic Games in Barcelona. (AP Photo/Eric Risberg)

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Britain's Dorothy Manley wins heat 6 of the women's 100-metre Olympic Games race, at Wembley, London, July 31, 1948. (AP Photo)

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West German policemen, wearing athletic track suits, crouch on the rooftop in the Olympic Village in Munich, Germany, after Arab terrorists had killed Israeli athletes and taken others hostage. (AP Photo)

Christophe Ena / ASSOCIATED PRESS

Argentina's Walter Fernando Perez kisses the Argentine flag after clinching the gold medal of the Track Cycling Men's Madison, at the Beijing 2008 Olympics in Beijing, Tuesday, Aug. 19, 2008. (AP Photo/Christophe Ena)

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The gold medal winner of the Men's 100 meters Summer Olympic Games running event, Armin Hary, of Germany smiles and waves after crossing the finish line on September 1, 1960 in Rome, Italy. (AP Photo)

DOUG MILLS / AP

Marion Jones of the United States, celebrates after winning the gold medal in the 200-meter race at the Summer Olympics, Thursday, Sept. 28, 2000, at Olympic Stadium in Sydney. (AP Photo/Doug Mills)

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America's "Llanoria", right, and Britain's "Johan", second right, at the start of the Olympic Games 6-metre yacht race, at Torbay, England, Aug. 3, 1948. (AP Photo)

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Picture shows Mark Spitz with his gold medal, handed over by Lord Killanin on August 28, 1972. Final of 200 meter butterfly for men at the Summer Olympics in Munich. Mark Spitz won the final in 2.00.7, at the same time setting a new world record, (AP Photo/pool

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Olympic gold medalist and track and field star Mildred Babe Didrikson jumps a hurdle in this 1932 photo. (AP Photo)

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The Soviet Union's Vladimir Salnikov swims his way to a gold medal in the men's 1500-meter freestyle swimming event in Moscow July 22, 1980.(AP Photo)

Anja Niedringhaus / AP

United States' Sanya Richards-Ross celebrates her win in the women's 400-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja Niedringhaus)

Matt Rourke / AP

Cyclists compete in a BMX cycling men's quarterfinal run during the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Matt Rourke)

LIONEL CIRONNEAU / AP

Maurice Greene of the United States, right, holds up his gold medal and Obadele Thompson of Barbados holds up his bronze medal after the men's 100 meters at Olympic Park during the 2000 Summer Olympics in Sydney, Saturday, Sept. 23, 2000. (AP Photo/Lionel Cironneau)

David J. Phillip / AP

U.S. swimmers, from left, Ricky Berens, Ryan Lochte and Michael Phelps, celebrate winning the gold medal as they set a new world record in the men's 4x200-meter freestyle relay final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Wednesday, Aug. 13, 2008. (AP Photo/David J. Phillip)

Morry Gash / AP

Jamaica's Usain Bolt wins the finals of the men's 200-meter in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Morry Gash)

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Arthur Wint of Jamaica, left, is seen winning the men's Olympic Games 400 metres final at Wembley, London, Aug. 5, 1948. Herb McKenley of Jamaica, right, won the silver medal and Mel Whitfield of USA, centre, won the bronze (AP Photo)

SUSAN RAGAN / ASSOCIATED PRESS

USA's Kerri Strug is carried by her coach, Bela Karolyi, as she waves to the crowd on her way to receiving her gold medal for the women's team gymnastics competition, at the Centennial Summer Olympic Games in Atlanta on Tuesday, July 23, 1996. Strug has two torn ligaments and a sprained ankle from the vault competition. (AP Photo/Susan Ragan)

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This is a photo finish of the women's 100-meter sprint event at the Olympic games in Rome, September 2, 1960. Winning the gold is Wilma Rudolph of the United States (right) who was clocked at 11.0 seconds. Britain's Dorothy Hyman beat Italy's Giuseppina Leone for the silver medal. The others are Maria Itkina of Russia, 4th; Catherine Capdeville of France, 5th; and Jennifer Smart of Britain, 6th.(AP Photo)

Mark J. Terrill / AP

United States' Ryan Lochte reacts after winning the gold medal in the men's 200-meter backstroke during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008. (AP Photo/Mark J. Terrill)

Paul Sancya / AP

South Korea's Choi Gwang-hyeon flips Felipe Kitadai of Brazil during the semifinal round of the men's 60-kg judo competition at the 2012 Summer Olympics, Saturday, July 28, 2012, in London. (AP Photo/Paul Sancya)

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Bobby Morrow of he United States team crosses the finishing line to give the US team the gold medal for the 4 x 100 meters relay at the Summer Olympic Games in the Olympic Stadium in Melbourne, Australia on December 1, 1956. The Russian team were second, and Leonid Bartenev is shown finishing. Third were Germany, with Manfred Germar finishing. The US team set a new world and Olympic record of 39.5, the Russian equalled the old and Olympic records of 39.8. (AP Photo)

DIETER ENDLICHER / AP

U.S. athlete Carl Lewis throws up his hands in the air after winning the men's 200-meter race and the gold medal for the event during the 1984 Summer Olympics in Los Angeles, Aug. 8, 1984. (AP Photo/Dieter Endlicher)

Julie Jacobson / AP

Marta Karolyi, U.S. national women's gymnastics team coordinator, right, hugs U.S. gymnast and gold medallist Gabrielle Douglas during the artistic gymnastics women's individual all-around competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London.(AP Photo/Julie Jacobson)

Lennox McClendon / AP

U.S. diver Michelle Mitchell dives during the women's platform diving finals in Seoul, Sept. 18, 1988. Mitchell came away with a silver medal. (AP Photo/Lennox McClendon)

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Isao Inokuma, right of Japan throws Canadian Doug Rogers during the final of the Olympic heavyweight judo contest in Tokyo Oct. 22, 1964. The victory for Inokuma brought him the gold medal. (AP Photo)

Alastair Grant / AP

Fireworks explode during the Closing Ceremony at the 2012 Summer Olympics, Monday, Aug. 13, 2012, in London. (AP Photo/Alastair Grant)

MICHAEL PROBST / AP

Gail Devers of the United States, right, and Merlene Ottey of Jamaica cross the finish line in the women's 100 meter final at the 1996 Summer Olympics in Atlanta, Saturday, July 27, 1996. Devers won the gold and Ottey won the silver. (AP Photo/Michael Probst)

Mark J. Terrill / AP

Fireworks illuminate the sky over the Olympic Stadium during the Opening Ceremony of the 2012 Summer Olympics, Saturday, July 28, 2012, in London. (AP Photo/Mark J. Terrill)

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Mildred McDaniel of Atlanta, Ga., U.S.A., rolls over the cross bar to win the women's high jump event of the Summer Olympic Games in Melbourne, Australia, Dec. 5, 1956. McDaniel set the world record with her jump of five feet, nine and one quarter inches. (AP Photo)

Charles Krupa / AP

United States' LeBron James and Kevin Durant react during the men's gold medal basketball game against Spain at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. USA won 107-100. (AP Photo/Charles Krupa)

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Soviet weightlifter Sultan Rakhmanov lifts a combined weight of 440 kilograms (968 pounds) to win gold medal in Olympic Super Heavyweight Division in the Weightlifting event at the Summer Olympic Games in Moscow, Russia on Wednesday, July 30, 1980. (AP Photo)

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His seventh gold medal of the 1972 Summer Olympics hanging around the neck, U.S. swimming star Mark Spitz, 22, of Carmichael, Calif., at the Munich swimming stadium September 4, 1972, after the U.S. team victory ceremony in the Summer Olympic 400 meter medley relay. The US team set a world record 3:38.16. (AP PHoto)

THOMAS KIENZLE / AP

Justin Gatlin of the U.S. walks with the American flag after winning the 100m at the 2004 Olympic Games Sunday, Aug. 22, 2004 in Athens, Greece. Gatlin ran the race of his life, barely holding off the fastest Olympic 100 field in history to win the gold in 9.85 seconds. (AP Photo/Thomas Kienzle)

Anonymous / AP

U.S. athlete Carl Lewis, a gold medal favorite, crosses the finish line in the preliminary heat for the men's 100-meter dash, Aug. 3, 1984 at Memorial Coliseum in Los Angeles during the Summer Olympics. Other runners are unidentified. (AP Photo)

Mark J. Terrill / AP

United States' Michael Phelps reacts after placing fourth in the men's 400-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012. (AP Photo/Mark J. Terrill)

DAVID LONGSTREATH / ASSOCIATED PRESS

Australian swimmer Ian Thorpe holds his gold medal from the men's 400m freestyle Saturday, Sept. 16, 2000, at the Sydney International Aquatic Centre during the Summer Olympics in Sydney. Thorpe bested his previous world record with a time of 3:40:59. (AP Photo/David Longstreath)

Matt Dunham / AP

United States' Christian Taylor competes in the men's triple jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, in London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)

THOMAS KIENZLE / AP

Maurice Greene, top left, Brian Lewis, top center, Jonathan Drummond, right, and Bernard Williams III, lower center, pose with U.S. flags after winning the gold medal in the men's 4 x 100 meter relay at the Summer Olympics Saturday, Sept. 30, 2000, at Olympic Stadium in Sydney. (AP Photo/Thomas Kienzle)

Petr David Josek / AP

France's Nikola Karabatic, center, leaps in the air to score past Sweden's Tobias Karlsson, left, and Sweden's Kim Andersson, right, during the men's handball gold medal match at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Petr David Josek)

Santiago Lyon / AP

China's Lu Li in gold medal action during the Olympic women's uneven bars in Barcelona Friday, August 1, 1992. She scored the first perfect 10 of the XXV games to take the gold. (AP Photo/Santiago Lyon)

Anonymous / AP

Start of the men's 400-meter freestyle relay at the 1964 Tokyo Olympics on October 13, 1964. (AP Photo)

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A low angle view of the Steeplechase final event at the Summer Olympics Games in Montreal, Canada on July 28, 1976. The gold medal winner, Anders Garderud of Sweden is seen at left. He set a new World Record. (AP Photo)

SUSAN RAGAN / AP

USA's Earvin "Magic" Johnson whips the United States flag in ecstasy during the gold medal ceremony Saturday, August 8, 1992, during the 1992 Summer Olympic games in Barcelona. (AP Photo/ Susan Ragan)

DOUG MILLS / ASSOCIATED PRESS

FILE - This is a Sept. 23, 2000, file photo showing Marion Jones of the United States, center, celebrating as she crosses the finish line to win the women's 100 meters at Olympic Park, during the 2000 Summer Olympics in Sydney. At left is Chandra Sturrup of the Bahamas and at right is Katerina Thanou of Greece, who won the silver. Olympic leaders reallocated two individual medals stripped from Marion Jones because of doping on Wednesday, but withheld the 100-meter gold from Greek sprinter Katerina Thanou because of her "disgraceful" behavior in evading drug tests. (AP Photo/Doug Mills, File)

Matt Dunham / AP

United States' Allyson Felix, second from right, crosses the finish line to win gold ahead of Jamaica's Shelly-Ann Fraser-Pryce, right, in the women's 200-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)

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Yuri (Jueri) Tarmak of the USSR rolls over the high jump bar on Sunday, September 10, 1972 to win the gold medal at the Summer Olympic Games athletics event with a jump of 2.23 meters. (AP Photo)

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Jumping over the hurdle in the 3000 meters Summer Olympic Games steeplechase event on Monday, September 4, 1972 is gold medalist Kipchoge "Kip" Keino, followed by silver medalist Benjamin Jipcho, both of Kenya. At right bronze medalist Tapio Kantanenen of Finland. (AP Photo)

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U.S. runners who all bettered world and Olympic marks on October 18, 1968, the 400 meter race wave their black berets to crowd after presentation ceremonies in the Summer Olympics stadium, Mexico City. From left: Larry James, silver medalist at 43.9 sec.; Lee Evans, gold medalist at 43.8, and Ronald Freeman, bronze medalist at 44.4. (AP Photo/stf)

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German athlete Wolfgang Reinhardt clears the bar to win the silver medal at the Men's Summer Olympic Games pole vault event on October 17, 1964 in Tokyo, Japan. (AP Photo)

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America's Wilma Rudolph gets off to a flying start in the sixth heat of the women's 200-meter sprint at the Summer Olympics in Rome, September 3, 1960. She won the heat and set a new Olympic record time of 23.2 seconds. Rudolph won the gold medal in the 100-meter dash. (AP Photo)

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Winners of women's modern pentathlon event Oct. 17, 1964 in Tokyo. From left: Mary Rand of Great Britain, winner Irina Press of U.S.S.R. and Galina Bystrova, third of U.S.S.R. (AP Photo)

Anonymous / AP

The scoreboard of the Los Angeles Memorial Coliseum displays the "See you in Seoul 1988" sign, at the end of the closing ceremonies for the XXIII Olympics, August 12, 1984 in Los Angeles, CA. The South Korean Capital will host the next Olympics. (AP Photo)

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Nadja Commaneci from Romania performs on the balance beam at the summer Olympic Games in Montreal, July 18, 1976. (AP PHOTO)

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Stella Walsh, ru nning for Poland, as she shattered the world's record for the 100-meter dash at the Olympic games in Los Angeles, Calif., Aug. 2, 1932. Walsh's time was 11.9 seconds. Left to right are: Eileen Hiscock, England, fourth: Marie Dollinger, Germany, tied for fifth: Stella Walsh, first place: Elizabeth Wilde, United States, tied for fifth: Hilda Strike, Canada, second and Wilhelmina Von Bremen, United States, third. (AP Photo)

KATSUMI KASAHARA / ASSOCIATED PRESS

Japan's Kosei Inoue, in blue, pins down New Zealand's Daniel Gowing during their 100 kg judo qualifying match at the XXVII Summer Games in Sydney, Thursday, Sept. 21, 2000.. (AP Photo/Katsumi Kasahara)

UNCREDITED / AP

Neftali Temu of Kenya hits tape at finish of 10,000 meter run final to become first gold medal winner of Olympic summer games in Mexico City, Oct. 13, 1968. Just behind is Mamo Woldo of Ethiopia. (AP Photo)

AP

Competitors in the first round of the Men's Summer Olympic 1000mt Sprint event at the Olympic Velodrome in Los Angeles, on July 31, 1984. From left to right; Fredy Schmidtke of West Germany, Rosman Alwi of Malaysia and Frank Orban of Belgium. (AP Photo)

AMY SANCETTA / AP

Bela Karolyi, right, congratulates Dominique Moceanu after the United States captured the gold medal in the women's team gymnastics competition at the Centennial Summer Olympic Games in Atlanta on Tuesday, July 23, 1996. At center is US team coach Martha Karolyi (AP Photo/Amy Sancetta)

Rick Wilking / AP

Canadian Ben Johnson, left, signals victory as he wins the 100-meter final for the gold medal in the Seoul Olympics Sept. 25, 1988. At right is American Carl Lewis who finished second. (AP Photo/Rick Wilking)

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Mark Spitz of Carmichael, Cal., raises his hands acknowledging cheers from spectators after his fourth gold medal in the Summer Olympic swimming event in Munich August 31, 1972. He went on to win a fifth gold medal. (AP Photo/stf)

DAVID GUTTENFELDER / AP

The American Men's Eight boat celebrate their gold medal at the 2004 Olympic Games in Schinias near Athens, Greece, Sunday, Aug. 22, 2004. (AP Photo/David Guttenfelder)

AP

Ralph Boston, of Laurel, Miss., is shown in action, Sept. 2, 1960 in the Summer Olympic long jump finals in Rome, which he won with an Olympic record of 26 feet, 7 3/4 inches. (AP Photo)

ASSOCIATED PRESS

A view of a part of the vast crowd saluting the athletes during their entry in the Olympic stadium on August 1, 1936 during the opening ceremony of he Summer Olympic Games in Berlin, Germany. (AP Photo)

MICHAEL PROBST / ASSOCIATED PRESS

Michael Johnson of the United States, starts in the final of the 400-meter race at the Summer Olympics, Monday, Sept. 25, 2000, at Olympic Stadium in Sydney. Johnson won the gold medal in the race. (AP Photo/Michael Probst)

Anonymous / AP

Dutch athlete Fanny Blankers-Koen (692) at right, wins the women's 80 meters hurdles final in world record time at the Summer Olympic Games on August 4, 1948 at Wembley Stadium in London, United Kingdom. She was followed by British athlete Maureen Gardner (735), second from right and in third place by Shirley Strickland from Australia (668), second from left. (AP Photo)

DAVID LONGSTREATH / AP

China's Xiong Ni, front, and Xiao Hailiang, back, compete in the men's 3-m synchronized diving Wednesday, Sept. 27, 2000, at the Olympics in Sydney. China won the gold medal in the event. (AP Photo/David Longstreath)

SUSAN RAGAN / AP

Dominique Moceanu, left, Kerri Strug, center, and Shannon Miller, sing the national anthem after they were awarded the gold in the women's team gymnastics competition at the Centennial Summer Olympic Games in Atlanta on Tuesday, July 23, 1996. Strug injured her left leg following her landing in the vault competition. (AP Photo/Susan Ragan)

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100,000 spectators are shown at the Olympic Stadium in Berlin Aug. 13, 1936. Adolf Hitler and members of the government were present. Shown are torch bearers lining the stadium while the army band are lined up in the center. (AP Photo)

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Winners of the middleweight Summer Olympic Games judo event stand on the podium during the awarding ceremony on September 2, 1972 in Munich, Germany, from left to right, second placed Oh Seung-Lip, South Korea, gold medal winner Shinobu Sekine, Japan, waving bronze medalist Jean-Paul Coche, France and second bronze medal winner, Brian Jacks of Great Britain. (AP Photo)

JOHN GAPS / AP

Tatiana Lysenko, left, of the Unified Team wears the Olympic gold she won in the balance beam as she waves to the crowd at the medals ceremony in Barcelona Saturday August 1, 1992. Also waving are Amercia's Shannon Miller, right, of Edmond, Okla., and Lu Li of China, who tied for silver. (AP Photo/John Gaps)

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Russian Robert Shavlakadze in his last valid attempt on 2.16 meters in the finals of the High Jump at the Summer Olympic Games in Rome, Italy on Sept. 1, 1960. He won the gold medal. Another Russian, Valeriy Brumel, took second place and John Thomas of the United States took third, both unseen. (AP Photo)

Charlie Riedel / AP

This image taken with a fisheye lens shows fireworks during the Closing Ceremony at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Charlie Riedel)

AP

FILE This July 15, 1924 file photo shows the opening of the 1924 Olympics at Colombes Stadium, Paris, as competing athletes lined up on the field and the flags of all the competing nations formed a semi-circle around the veteran French athlete, G. Andre, taking the Olympic oath. (AP PHOTO)

AP

Iltaly's Gianfranco Pandolfini, no. 5, right, shoots past Hungary's goalkeeper in the men's Olympic Games Water-Polo match, at Empire Pool, Wembley, London, Aug. 2, 1948. Italy defeated Hungary by four goals to three. (AP Photo)

AP

Mary Peters of Britain competing in the women's pentathlon, wins the high jump competition. She went on to win Gold medal in event at the 1972 Olympic Games in Munich. (AP Photo)

Matt Dunham / AP

United States' women's 4 x100-meter relay team members, from left, Carmelita Jeter, Bianca Knight, Tianna Madison and Allyson Felix, celebrate their gold medal win during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. The United States relay team set a new world record with a time of 40.82 seconds (AP Photo/Matt Dunham)

AP

Denmark's Men's 4000mt Team pursuit team in action at the Olympic Velodrome in Los Angeles, on August 3, 1984. The team members are Dan Frost, Michael Marcussen, Joergen V. Pedersen and Brian Holm Soerensen. (AP Photo)

MARK BAKER / AP

Michael Phelps, of the United States, swims to a gold medal in the 100-meter butterfly for an Olympic-record time of 51.25 at the Olympic Aquatic Centre during the 2004 Olympic Games in Athens, Friday, Aug. 20, 2004. (AP Photo/Mark Baker)

ERIC DRAPER / AP

U.S. swimmers Amy Van Dyken, left, Dara Torres, center, and Courtney Shealy, celebrate after teammate Jenny Thompson finished the last leg of the 4x100 freestyle relay to win the gold medal at the Summer Olympics Saturday, Sept. 16, 2000 at the International Aquatic Center in Sydney. The U.S. team set a world record with a time 3:36.61. (AP Photo/Eric Draper)

ELISE AMENDOLA / ASSOCIATED PRESS

USA's doubles team, Serena, left, and Venus Williams celebrate after defeating Kristie Boogert and Miriam Oremans of the Netherlands for the gold medal in women's tennis doubles at the Summer Olympics in Sydney Thursday, Sept. 28, 2000. The Williams sisters won 6-1, 6-1. (AP Photo/Elise Amendola)

Matt Dunham / AP

United States' Trey Hardee runs to take a jump in the decathlon pole vault during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)

Natacha Pisarenko / AP

Italy's Josefa Idem paddles on her way to winning a women's kayak single 500m semifinal in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012. (AP Photo/Natacha Pisarenko)

Michael Sohn / AP

South Africa's Chad le Clos reacts as he wins gold in the men's 200-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Michael Sohn)

AP

Michael Gross of Germany throws his fists in the air after winning the mens 200m butterfly at the Seoul Olympics, South Korea, September 24 1988. Gross captured the gold medal and set an Olympic record with his times of 1:56,94. (AP-Photo) 24.9.1988

Ivan Sekretarev / AP

U.S. hockey team players run with the national flag, after beating Belgium at their gold medal match at the women's field hockey qualifying tournament for the 2008 Beijing Olympics in Kazan, Russia, Sunday, April 27, 2008. The U.S won 3-1 to secure their place at the Olympics. (AP Photo/Ivan Sekretarev)

DAVID J. PHILLIP / AP

Russia's Yelena Isinbayeva kisses her pole in front of a sign recording her new world record, after she won the gold medal in the women's pole vault at the 2004 Olympic Games at the Olympic Stadium in Athens, Tuesday Aug., 24, 2004.(AP Photo/David J. Phillip)

Julie Jacobson / AP

Gymnast Krisztian Berki of Hungary performs during the artistic gymnastics men's pommel horse final at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Berki won the gold medal. (AP Photo/Julie Jacobson)

RW / AP

Four black members of the United States 4x400-meter relay team wave their hands in clenched fist salute as they leave Olympic stadium in Mexico City, Mexico Sunday October 21, 1968 after receiving gold medals for world and Olympic mark of 2 min., 56.1 sec. Left to right, Ron Freeman, Vince Matthews, Lee Evans and Larry James. The mild demonstration drew little attention. (AP Photo)

DOUG MILLS / AP

Gail Devers of the United States celebrates after she won the gold medal in the women's 100 meter final at the 1996 Summer Olympics in Atlanta, Saturday, July 27, 1996. (AP Photo/Doug Mills)

AP

Czechoslovakia's Emil Zatopek, left, leads Belgium's Gaston Reiff and Sweden's Erik Ahlden around the rain-sodden track in the men's 5,000-metres Olympic Games Final at Wembley Stadium, London, Aug. 2, 1948. Reiff won the race, Zatopek came third and Ahlden was placed fourth. (AP Photo)

MICHAEL PROBST / AP

Australia's Cathy Freeman reacts after winning the gold medal in the 400-meter final at the Summer Olympics, Monday, Sept. 25, 2000, at Olympic Stadium in Sydney. (AP Photo/Michael Probst)

Matt Dunham / AP

Jamaica's Usain Bolt, right, crosses the finish line ahead of Ryan Bailey of the United States in the men's 4x100-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. Jamaica set a new world record with a time of 36.84 seconds. (AP Photo/Matt Dunham)

Ben Curtis / AP

Fireworks explode over the Olympic Stadium at the closing ceremony of the 2012 Summer Olympics, Monday, Aug. 13, 2012, in London. (AP Photo/Ben Curtis)

Charlie Riedel / AP

Germany's Angela Maurer, front, and other athletes dive into the Serpentine at Hyde Park as they compete in the women's marathon swimming competition at the 2012 Summer Olympics Thursday, Aug. 9, 2012, in London. (AP Photo/Charlie Riedel)

AP

Sepp Hipp (Germany, No. 749) winning heat 5 of the decathlon (110 meters hurdles) Summer Olympic Games event, with Hernan Figueroa (Chile, No. 85) 2nd. The winner's time was 16.1 seconds at the Olympic Stadium, Helsinki, Finland on July 25, 1952. (AP Photo)

AP

The U.S. team poses for photographers after being awarded the gold medal for winning the women's 4 x 100-meter relay race during the Summer Olympics in Rome, Sept. 8, 1960. From left to right; Wilma Rudolph, Barbara P. Jones, Lucinda Williams and Martha Hudson.(AP Photo)

AP

The British Olympic team parade around the Olympic Stadium, in Melbourne, Australia, during the opening ceremony of XVI Olympic Games, Nov. 22, 1956. (AP Photo)

AP

View of the University City Olympic Stadium at Mexico City, Mexico 1968 site of the Nineteenth Olympiad, or the XIX Olympiad summer games. Athletes from 112 nations participate in opening ceremony on October 12, 1968. (AP Photo)

AP

American swimmer Mark Spitz, (center) Carmichael, Cal., covers face after receiving fourth gold medal for the men 100-m butterfly evnt in the Summer Olympics in Munich Thursday, August 31, 1972. Bruce Robertson (left), Vancouver, B.C., took the silver and Jerry Heidenreich, Dallas, Texas, the bronze. (AP Photo/stf)

AP

Mary Lou Retton, foreground, with her gold medal and Ecaterina Szabo with her silver medal at the 1984 Summer Olympics in Los Angeles, Calif., Aug. 5, 1984. (AP Photo)

AP

Scene is in Los Angeles Stadium August 1, 1932 when Eddie Tolan of Michigan broke the Olympic record and tied the world's record for the 100-meter Dash. The Time was 10.3. and at second was Ralph Metcalf of Marquette University. (AP Photo)

MARK BAKER / AP

Long jump gold medalist Dwight Phillips, right, and silver medalist John Moffitt, both of the US, wrap themselves US flags following the competition at the 2004 Olympic Games in the Olympic Stadium in Athens, Thursday Aug. 26, 2004.(AP Photo/Mark Baker)

Lennox McLendon / AP

Steve Lundquist bends down to console teammate John Moffett of Costa Mesa, California, after Lundquist, of Jonesboro, Ga., captured the Olympic gold medal in the 100-meter breaststroke in a world-record time at the Olympic Games in Los Angeles. (AP Photo/Lennox McLendon)

Elise Amendola / AP

Serena Williams of the United States screams as she competes against Jelena Jankovic of Serbia during a first round match at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Saturday, July 28, 2012. (AP Photo/Elise Amendola)

ASSOCIATED PRESS

Pictured here is Randy Williams, U.S.A, in the long jump event, in where he won the gold medal with a jump of 8.24 meters at the 1972 Summer Olympics in Munich, Germany, August 1972. (AP Photo)

Anonymous / ASSOCIATED PRESS

Japanese featherweight weightlifter Yoshinobu Miyake succeedes in jerking a 145.0 kg bar bell for a new Olympic record during competition in Tokyo Oct. 11, 1964. Miyake became the first gold medal winner of the hosting Japan with a total lift of 397.5 kg. (AP Photo)

AP

Sugar Ray Leonard in action against Ulrich Beyer July 27,1976 Summer Olympics in Montreal. Leonard later won the Gold Medal in the light Welterweight class (140 lbs). (AP Photo)

DAVID J. PHILLIP / AP

The Olympic Rings are shown in flames during the Opening Ceremony of the 2004 Olympic Games in Athens, Friday, Aug. 13, 2004.(AP Photo/David J. Phillip)

Alastair Grant / AP

Deni Fioretnini of Italy, right, struggles for position with Dusko Pijetlovic of Sebia during their men's semifinal water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Alastair Grant)

AP

US athlete Joseph "Joe" de Pietro, lifts 105 kilogram to win the gold medal at the Bantamweight weightlifting competition of the Summer Olympic Games on August 9, 1948 at Empress Hall in London, United Kingdom. (AP Photo)

Anonymous / AP

U.S sprinter Florence Griffith Joyner of Los Angeles leads Muriel Leory of France (176) and Guilhermina Cruz (3) of Angola as they head into the main straightaway of a Olympic 200-meter women's dash heat in Seoul Sept. 28, 1988 Griffith Joyner won the heat to advance to the semifinals. (AP Photo)

AP

This is a Oct. 17, 1964 photo of the U.S.A.'s Dallas Long during the shot put event at the Summer Olympics in Japan. Long won the gold in the event. (AP Photo)

AP

Scene from the upper balcony of the Olympic Stadium in Montreal, July 17, 1976, after the raising of the Olympic flag during opening ceremonies for the 21st games. (AP Photo)

Anonymous / AP

** FILE ** Extending gloved hands skyward in racial protest, U.S. athletes Tommie Smith, center, and John Carlos stare downward during the playing of the Star Spangled Banner after Smith received the gold and Carlos the bronze for the 200 meter run at the Summer Olympic Games in Mexico City on Oct. 16, 1968. Australian silver medalist Peter Norman is at left. Peter Norman, the Australian who stood alongside the U.S. athletes staging the civil rights protest from the medal podium at the 1968 Olympics, died Tuesday October 3, 2006, of a heart attack. He was 64. (AP Photo/FILE)

Anonymous / AP

Heavyweight boxer George Foreman is seen during his bout with Russia's Iones Chepulis during their Olympic finals in Mexico City, Oct. 27, 1968. Foreman captured the gold medal. (AP Photo)

AP

Competitors in the men's Olympic Games 3,000-metres Steeplechase Final, at Wembley Stadium, London, Aug. 5, 1948, jump over the water jump. From left to right; Erik Elmsater of Sweden, number 355; Thore Sjoestrand of Sweden, number 357, centre rear; M. Chesneau of France, number 347; Alex Guyodo of France, number 348. (AP Photo)

AP

Athletes march into the Olympic Stadium in Los Angeles, United States, in the opening ceremony of the Summer Olympic Games on July 30, 1932 . (AP Photo)

AP

American gold medal winners in the Men's 4 x 100 meter freestyle relay Summer Olympic Games swimming event, wave from the podium on Monday, August 28, 1972 after the awarding ceremony in Munich, Germany. From left to right are: Mark Spitz, Jerry Heidenreich, David "Dave" Edgar and John Murphy. (AP Photo)

AP

Julius Sang of Kenya throws up his arms as he crosses the finish line on Sunday, September 10, 1972 in Munich, Germany, to win the gold medal of the Men's Summer Olympic Games 4 x 400 meter relay race. (AP Photo)

AP

The German team (25 women and 120 male athletes) marches at the Olympic stadium packed with 70,000 spectators on July 19, 1952 during the opening ceremony of the Summer Olympic Games in Helsinki, Finland. At left, flag bearer, German decathlete champion Friedel Schirmer followed from left to right by: Dr. Max Danz, President of the German Athletics Association; Dr. Peter Joseph "Peco" Bauwens, President of the German Football Association and Willi Daume, President of the West German Sports Federation. (AP Photo)

Julie Jacobson / ASSOCIATED PRESS

Belarus' gold medal winner Aksana Miankova makes an attempt in the women's hammer final during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Wednesday, Aug. 20, 2008. (AP Photo/Julie Jacobson)

AP

Norway's Bjorn Gundersen jumps in the men's Olympic Games High Jump competition, at Wembley Stadium, London, July 30, 1948, in bare feet. He qualified for the next round of the competition. (AP Photo)

Anonymous / AP

Herb Elliott, center, of Australia, at center, stands on the podium to receive his gold medal for the 1,500-meter run at the Rome Olympics September 10, 1960. Michel Jazy, of France, left, wins the silver medal in the 1,500-meter run at Rome's Summer Olympics and Istvan Rozsavollgyi, of Hungary, takes the bronze medal. (AP Photo)

AP

Fanny Blankers-Koen of Holland, centre, leaps the last hurdle in the women's Olympic Games 80-metres Hurdles Final at Wembley Stadium, London, Aug. 4, 1948, in a World Record time. Britain's Maureen Gardner, left, came second, in the same world record time as Blankers-Koen. (AP Photo)

AP

Valentine Prokopv of Russia was involved in a brawl with Hungarian player Ervin Zadar who suffered a cut eye at the 1956 Summer Olympics water polo semi-finals in Melbourne, Dec. 6, 1956. Hungary won the match 4-0. (AP Photo)

AP

France's Micheline Ostermeyer stands at the top of the winners podium in Wembley Stadium, London, July 30, 1948, after winning the women's Olympic Games Discus competition. Italy's Edera Cordiale Gentile, left, was second, and Jacqueline Mazeas of France was third. (AP Photo)

Odd Andersen / AP

Jamaica's Usain Bolt, right, celebrates winning the gold medal in the men's 100-meter final during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Saturday, Aug. 16, 2008. (AP Photo/Odd Andersen)

Luca Bruno / ASSOCIATED PRESS

From left: Brendan Hansen, Aaron Peirsol and Michael Phelps of the United States celebrate after winning the gold medal in the men's 4x100-meter medley relay final at the Beijing 2008 Olympics in Beijing, Sunday, Aug 17, 2008. (AP Photo/Luca Bruno)

Dmitry Lovetsky / AP

Italy's Elisa Di Francisca reacts after defeating Italy's Arianna Errigo in the gold medal fencing match at the 2012 Summer Olympics, Saturday, July 28, 2012, in London. (AP Photo/Dmitry Lovetsky)

John Thomas Burns / AP

Imre Petnehazy of Hungary, racing a mount strange to him failed to leap the 14th of 15 jumps in the 5000-meter cross country equestrian event, Aug. 2, 1932. Neither rider or mount was seriously injured. (AP Photo/John Thomas Burns)

AP

Charles Dumas, of the U.S., clears the bar during finals of the men's high jump competition, at the XVI Summer Olympics in Melbourne, Australia, on November 23, 1956. Dumas won the event with a new Olympic record, but failed his own world record by one inch. (AP Photo)

AP

U.S. Basketball star Bill Russell goes high in the air to slam the ball in the basket in the final game between U.S. and Russia on Dec. 1, 1956. The U.S. team won the basketball game 89-55 for the first place gold medal at the XVI Summer Olympic Games in Melbourne, Australia. (AP Photo)

AP

Spiraling human prymids occupy the field of the Lenin Stadium Saturday, July 19, 1980 during opening ceremonies of XXII Summer Olympics in Moscow. (AP Photo)

LENNOX MCLENDON / AP

U.S. sprinter Florence Griffith Joyner of Los Angeles strides to a world record in a semifinal heat of the Olympic women's 200-meter dash in Seoul Thursday, Sept. 29, 1988. Joyner's time of 21.56 seconds claimed the record and moved her into the finals in the event.(AP Photo/Lennox McLendon)

AP

Opening ceremony of the 1980 Moscow Summer Olympic Games, July 19, 1980. (AP Photo)

AP

Armin Hary wins the olympic sprint: Armin Hary of Germany (left) wins the 100 meters sprint event of the Olympic Games in Rome, yesterday, September 2, 1960. (Left to right) Armin Hary of Germany, 1st; Peter Radford of Great Britain, 3rd; E. Figuerola of Cuba; C. Norton of the United States; Frank Budd of the United States (hidden); and Dave Sime of the United States, 2nd. (AP-Photo)

AP

US athlete Wilma Rudolph shows the gold medal she won at the Women's 100 meters Summer Olympic Games sprint event on September 2, 1960 in Rome, Italy. (AP Photo)

THOMAS KIENZLE / AP

The U.S. men's 4x400-meter relay team celebrates after winning the gold medal at the Summer Olympics, Saturday, Sept. 30, 2000, at Olympic Stadium in Sydney. From left are, Antonio Pettigrew, Calvin Harrison, Michael Johnson and Alvin Harrison. (AP Photo/Thomas Kienzle)

AP

East German coxless pair of Siegfried Brietzke, left, and Wolfgang Mager, pull on Saturday, September 2, 1972, toward gold medal in the Summer Olympic Games rowing event. (AP Photo)

Victoria Arocho / AP

Australian Olympic athlete Cathy Freeman ignites the Olympic flame during the opening ceremony for the Summer Olympics Friday, Sept. 15, 2000, at Olympic Stadium in Sydney. Olympian flames lit by a popular Aborigine runner warmed hearts around the world as a symbol of ethnic blending. Among indigenous Australians, where reality bites, reaction was cooler. (AP Photo/Victoria Arocho)

AP

Embracing and smiling to each other are the winners of the Women's shot-put Summer Olympic Games event at the Olympic stadium in Helsinki, Finland on July 26, 1952, from left to right: bronze medal winner Klavdia Tochonova (USSR), gold medal winner Galina Zybina, with world and Olympic record of 15.28 meters and silver medal winner Marianne Werner (Germany). (AP Photo)

David J. Phillip / AP

Australia's Alana Boyd clears the bar in the women's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012. (AP Photo/David J. Phillip)

AP

U.S. decathlon athlete Bruce Jenner gets a hug from his wife Chrystie after finishing second in the 1,500-meter event in the decathlon competition at the Montreal Olympics, July 30, 1976. Even though he finished second, it gave him enough points to claim the gold medal in the decathlon competition. (AP Photo/Pool)

AP

U.S. runners who all bettered world and Olympic marks in sweeping medals in the 400 meter race are pictured after presentation ceremonies in Summer Olympic stadium in Mexico CIty, on October 18, 1968. Lee Evans, the gold medal winner is giving the Black Power salute. From left: Larry James, silver medalist at 43.9 sec.; Evans, gold medalist at 43.8, and Ronald Freeman, bronze medalist at 44.4. (AP Photo/stf)

David J. Phillip / ASSOCIATED PRESS

United States' Michael Phelps and his teammate Garret Weber-Gale, right, celebrate as their team wins the gold in the men's 4x100-meter freestyle relay final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Monday, Aug. 11, 2008. (AP Photo/David J. Phillip)

ANONYMOUS / AP

Kipchoge Keino of Kenya hits finish line of the 1968 Olympic 1500 meter run Oct. 20, 1968 at Mexico City in 3 minutes, 34.9 seconds for a new Olympic record. Fifteen yards back in second place is Jim Ryun of the U.S. world record holder who could not overtake Keino in the last lap. Behind him is Rodo Tummler of West Germany who placed third for a bronze medal.(AP Photo)

AP

Sawao Kato of Japan demonstrates the form on the pommel horse that insured the Japanese gymnasts their Summer Olympic Games team all-around gold medal on August 29, 1972 in Munich, Germany. (AP Photo)

Robert Rider-Rider / AP

America, in white caps, score their sixth goal during their first-round Olympic Games water-polo match against Uruguay, at Finchley open-air pool, London, July 30, 1948. America beat Uruguay by seven goals to nil. (AP Photo)

DOUGLAS C. PIZAC / AP

The USA's Lisa Leslie carries an American flag after winning the basketball gold medal in a 74-63 win over Australia at the Olympic Indoor Hall during the 2004 Olympic Games in Athens, Greece on Saturday, Aug. 28, 2004. (AP Photo/Douglas C. Pizac)

AP

Her kayak deep in the streams of the Augsburg slalom course, outside Munich, Germany, East Germany's Angelika Bahmann paddles down the spectacular whitewater course to win the gold medal in the Women's slalom kayak singles (K-1) Summer Olympic Games canoeing event on August 30, 1972. 30,000 spectators, including West German chancellor Willy Brandt watched the canoeing competition. (AP Photo)

KARL-HEINZ KREIFELTS / AP

Angelo Mazzoni, with a cut right eye celebrates after winning the gold medal for Italy in men's Olympic team epee competition Tuesday July 23, 1996 in Atlanta. Mazzoni defeated Russia's Alexander Beketov with a score of 45 to 43. (AP Photo/Karl-Heinz Kreifelts)

Anonymous / AP

Emil Zatopek, the incredible Czech, had just won the 5000-meter race at the Helsinki Olympics Games July 24, 1952. Zatopek went on to set an Olympic precedent by winning the 10,000-meters and Marathon races. Just to keep things in the family, his wife, Dana, won the javelin throw. Finishing second is Alain Mimoun of France (center), followed by Herbert Schade of Germany. (AP Photo)

AP

The lightweight Greco-Roman Summer Olympic Games wrestling match between J.F. Rasmussen, of Denmark (number 274) and Heinrich Nettesheim of Germany (number 234) held at the Massuhalli in Helsinki, Finland on July 25, 1952. The Dane was the winner. (AP Photo)