Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Illustration ?? pixathlon ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Javier Culson / Puerto Rico ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 400 hurdles heat - Jamaica's Nickiesha Wilson ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 400 hurdles heat - USA'S [Vereinigte Staaten] Lashinda Demus ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 400 hurdles heat - Russia's Natalya Antyukh ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 100m Final - Jamaica's Usain Bolt celebrates winning Gold with Silver medalist Jamaica's Yohan Blake (L) and Bronze medalist USA's Justin Gatlin (R) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Podium, Illustration, Kopftuch ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 100m Final - Jamaica's Usain Bolt celebrates winning Gold ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 100m Final - Jamaica's Usain Bolt celebrates winning Gold ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Jamaica's Shelly Ann Fraser Pryce ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Javier Culson / Puerto Rico ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Jamaica's Shelly Ann Fraser Pryce ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Lalonde Gordon (Trinidad) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - silver medal for Habiba Ghribi (TUN), ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - silver medal for Habiba Ghribi (TUN), ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women's Pole Vault Final - Cuba's Yarisley Silva ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women's Pole Vault Final - USA's Jennifer Suhr ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - golden shoes of Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - Athletics - 6/8/12 Athletics - Kirani James (GRE) ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Germany's Antje Moeldner-Schmidt ?? pixathlon ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Men's 400m Hurdles Final - Domican Republic's Felix Sanchez ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Gold for Russia's Yuliya Zaripova ?? pixathlon fot. Pixathlon/REPORTER

Olympics - London 2012 Olympic Games - 6/8/12 Athletics - Women'S 3000 steeplechase Final - Germany's Antje Moeldner-Schmidt ?? pixathlon fot. Pixathlon/REPORTER

Russia's Yuliya Zaripova during Women's 3000m Steeplechase final during athletics session in London on Monday, 6th August, 2012. LEHTIKUVA / Vesa Moilanen *** FINLAND OUT. NO THIRD PARTY SALES. ***

Russia's Yuliya Zaripova during Women's 3000m Steeplechase final during athletics session in London on Monday, 6th August, 2012. LEHTIKUVA / Vesa Moilanen *** FINLAND OUT. NO THIRD PARTY SALES. ***

Milcah Chemos Cheywa of Kenya clears a hurdle during the women's 3000m steeplechase at Olympic Stadium, during the 2012 Summer Olympic Games in London, UK, Monday, August 6, 2012. Cheywa finished fourth in the steeplechase. Photo by Chuck Meyers/MCT/ABACAPRESS.COM # 330250_002

Aug. 6, 2012 - London, England, United Kingdom - Women's table tennis, Illustration ?? pixathlon fot. Pixathlon/REPORTER

Aug. 6, 2012 - London, England, United Kingdom - Silke Spiegelburg (GER) (GER) in the Women's Pole Vault in Athletics in the London Olympics 2012 on August 06,2012 in London, United Kingdom ?? pixathlon fot. Pixathlon/REPORTER

Aug. 6, 2012 - London, England, United Kingdom - Silke Spiegelburg (GER) (GER) in the Women's Pole Vault in Athletics in the London Olympics 2012 on August 06,2012 in London, United Kingdom ?? pixathlon fot. Pixathlon/REPORTER

South African athlete Oscar Pistorius in men's 400m semifinal during the athletics evening session in London on Sunday, 5th August, 2012. LEHTIKUVA / Vesa Moilanen *** FINLAND OUT. NO THIRD PARTY SALES. ***

LONDON, Britain -Jamaica's Usain Bolt (C) competes in a men's 100-meter first-round heat at the 2012 London Olympics at Olympic Stadium on Aug. 4, 2012. Bolt finished in 10.09 seconds and advanced to the semifinals. (Kyodo)

An ariel performer flies and slams a dunk during halftime of a women's basketball game between Russia and France at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Charles Krupa)

Ukraine's Lyubov Shulika sits prior to competing in a track cycling women's sprint event, during the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Matt Rourke)

Ukraine's Lyubov Shulika sports an olympic rings necklace prior to competing in a track cycling women's sprint event, during the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Matt Rourke)

Britain's Victoria Pendleton competes in the track cycling women's sprint during the 2012 Summer Olympics in London, Sunday, Aug. 5, 2012. (AP Photo/Christophe Ena)

Spectators cheer as Britain's Victoria Pendleton competes in a track cycling women's sprint event, during the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Frank Franklin)

South Korea's Chung Jae-sung, right, and Lee Yong-dae play against Malaysia's Koo Kien Keat, center, and Tan Boon Heong, unseen, in the men's doubles badminton bronze medal match at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. South Korea won the bronze. (AP Photo/Andres Leighton)

Kayakers train in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. Canoe sprint competitions will start on Dorney Lake Monday. (AP Photo/Armando Franca)

Poland's Karolina Michalczuk, left, and fights India's Chungneijang Mery Kom Hmangte, fight during the women's flyweight boxing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Patrick Semansky)

Poland's Karolina Michalczuk, left, fights India's Chungneijang Mery Kom Hmangte, during the women's flyweight boxing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Ivan Sekretarev)

Poland's Szymon Ziolkowski competes in the men's hammer throw final during the London 2012 Olympic Games at the Olympic Stadium, Sunday, Aug. 5, 2012, in London. (AP Photo/Fabrizio Bensch, Pool)

Poland's Szymon Ziolkowski competes in the men's hammer throw final during the London 2012 Olympic Games at the Olympic Stadium, Sunday, Aug. 5, 2012, in London. (AP Photo/Fabrizio Bensch, Pool)

Poland canoe racer Piotr Kuleta practices for the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in Eton Dorney, near Windsor, England. Kuleta is slated to compete on Monday. (AP Photo/Armando Franca)

Poland's Karolina Michalczuk, top, fights India's Chungneijang Mery Kom Hmangte, during the women's flyweight boxing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Ivan Sekretarev)

Italy's Valeria Straneo finishes the women's marathon at the 2012 Summer Olympics Sunday, Aug. 5, 2012 in London. (AP Photo/Jae Hong)

Rene Kalmer, from South Africa, runs across the Olympic Rings on a rain-soaked London street as she competes in the women's marathon at the 2012 Summer Olympics Sunday, Aug. 5, 2012. (AP Photo/Charlie Riedel)

Roger Federer of Switzerland wipes his face as he competes with Andy Murray of Great Britain during the gold medal men's singles match at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Elise Amendola)

Quanitta Underwood of the United States, arrives for her fight against Natasha Jonas of Great Britain, during the women's lightweight boxing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Ivan Sekretarev)

Britain's Janine Sandell (17) is attended to by team officials after injuring her leg against Japan during a women's volleyball preliminary match at the 2012 Summer Olympics Sunday, Aug. 5, 2012, in London. (AP Photo/Chris O'Meara)

Maikel van der Vleuten rides his horse Verdi in the equestrian show jumping competition, at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Markus Schreiber)

United States' Kara Goucher, left, and Shalane Flanagan hug after finishing the women's marathon at the 2012 Summer Olympics Sunday, Aug. 5, 2012 in London. (AP Photo/Martin Meissner)

Romania's gymnast Sandra Raluca Izbasa performs during the artistic gymnastics women's vault final at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Gregory Bull)

Serbia's Andrija Zlatic puts on his shooting glasses at the start of the men's 50-meter pistol final at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Rebecca Blackwell)

Ireland's Caitriona Jennings finishes last in the women's marathon at the 2012 Summer Olympics Sunday, Aug. 5, 2012 in London. (AP Photo/Jae Hong)

China's Lin Dan shows his gold medal after winning the men's singles badminton gold medal match of the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Saurabh Das)

China's Dong Cheng, reacts after her fight against Romania's Mihaela Lacatus, during a women's lightweight preliminary boxing match at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Ivan Sekretarev)

Russian bronze medallist gymnast Maria Paseka stands during the podium ceremony for the artistic gymnastics women's vault finals at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julie Jacobson)

Tears well up the eyes of Russian bronze medallist gymnast Maria Paseka as she stands during the podium ceremony for the artistic gymnastics women's vault finals at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julie Jacobson)

U.S. gymnast McKayla Maroney displays her silver medal during the podium ceremony for the artistic gymnastics women's vault finals at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julie Jacobson)

Holly Lincoln-Smith, right, of Australia shoots a penalty shot against goalkeeper Yang Jun of China during the overtime shootout in their women's water polo quarterfinal match at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julio Cortez)

Russia's Tatiana Kashirina competes during the women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Kashirina set a world record in the snatch portion. (AP Photo/Hassan Ammar)

United States' Sarah Robles reacts following a lift competes during the women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Nigeria's Maryam Usman holds her elbow as she walks off stage following a lift during women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Hungary's gold medallist gymnast Krisztian Berki, facing camera, hugs an unidentified person he was declared winner of the gold medal for the artistic gymnastics men's pommel horse final at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julie Jacobson)

Dominican Republic's gymnast Yamilet Pena Abreu botches her dismount during the artistic gymnastics women's vault final at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Gregory Bull)

Natalia Ishchenko and Svetlana Romashina from Russia compete during the women's duet synchronized swimming technical routine at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, Aug. 5, 2012. (AP Photo/Michael Sohn)

Australia guard Jennifer Screen, right, drives against Canada's Natalie Achonwa (11) during their women's preliminary round basketball game at the 2012 Summer Olympics on Sunday, Aug. 5, 2012, in London. (AP Photo/Timothy A. Clary, Pool)

In this photo made using a fisheye lens, Jaime Azcarraga, of Mexico, rides his horse Gangster, in the equestrian show jumping team competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/David Goldman)

Andy Murray of Great Britain kisses his girlfriend, Kim Sears, after Murray defeated Roger Federer of Switzerland in the men's singles gold medal match at the All England Lawn Tennis Club at Wimbledon, in London, at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Mark Humphrey)

Goalkeeper Victoria Brown of Australia, left, reacts with teammates after they tied the score 13-13 during their women's water polo quarterfinal match against China at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. The teams tied 14-14 at end of regulation before heading into extra time. (AP Photo/Julio Cortez)

Russia's Tatyana Lebedeva competes in a women's triple jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip )

United States' Justin Gatlin during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus)

US Kerri Walsh dives for a ball during the quarterfinal women's beach volleyball match against Italy at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

Marta Menegatti of Italy reacts at the end of a two set loss to the United States in a beach volleyball match at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Dave Martin)

Jamaica's Usain Bolt reacts as he wins the men's 100-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Lee Jin-man)

Jamaica's Usain Bolt wins the 100 meters race during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt crosses the finish line to win gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip )

Kenya's Ezekiel Kemboi celebrates winning gold in the men's 3000-meter steeplechase during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham)

John Joe Nevin of Ireland, reacts during this fight against Oscar Valdez Fierro of Mexico, during the men's quarterfinal bantamweight 56-kg boxing competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Ivan Sekretarev)

Kenya's Ezekiel Kemboi crosses the finish line to win the men's 300-meter steeplechase during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Martin Meissner)

Jamaica's Usain Bolt runs past the Olympic flame after winning the men's 100-meter final race during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Charlie Riedel)

Jamaica's Usain Bolt, right, is congratulated by USA's Justin Gatlin, left, after winning the men's 100-meter final race during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. Gatlin won the bronze medal. (AP Photo/Matt Slocum)

Jamaica's Usain Bolt holds his national flag following his win in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja Niedringhaus)

Kenya's Ezekiel Kemboi reacts to his win in the men's 300-meter steeplechase during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus)

Jamaica's Usain Bolt holds his national flag following his win in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Kirsty Wigglesworth)

Jamaica's Usain Bolt celebrates winning gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Sergey Ponomarev)

Jamaica's Usain Bolt celebrates winning gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Sergey Ponomarev)

Bernhard Langer, of Germany, holds the Champions Tour golf tournament trophy as Langer shoots a 62 in the final round to win the tournament on Sunday, Aug. 5, 2012 in Blaine, Minn. (AP Photo/Andy King)

Jamaica's Usain Bolt, center, crosses the finish line to win in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/David Goldman)

Jamaica's Usain Bolt celebrates winning gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Daniel Ochoa De Olza)

Kristyna Kolocova of the Czech Republic thanks fans following a loss during a beach volleyball match against the United States at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Dave Martin)

Laura Ludwig of Germany hugs teammate Sara Goller during a beach volleyball match against Brazil at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Dave Martin)

Brazil's Larissa Franca sets a ball during the quarterfinal women's beach volleyball match against Germany at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

Fans cheer during the quarterfinal women's beach volleyball match between Brazil and Germany at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

Brazil's Juliana Silva reacts after the quarterfinal women's beach volleyball match against Germany at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

South African athlete Oscar Pistorius off the blocks in the 400m semi-final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

British athlete Christine Ohuruogu prepares to run in the womens 400m final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

USA's Tyson Gay after the 100m final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

South African athlete Oscar Pistorius off the blocks in the 400m semi-final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

South African athlete Oscar Pistorius off the blocks in the 400m semi-final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Kenyan Athlete Ezekiel Kemboi celebrates winning the 3000 meter steeple chase at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

France's Mahiedine Mekhissi-Benabbad celebrates winning silver in the men's 3000-meter steeplechase final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt celebrates winning the Men's 100m final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt crosses the line to win the Men's 100m final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt crosses the finish line to win gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip )

Jamaica's Usain Bolt crosses the line to win the Men's 100m final at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt, third from left, sprints towards the finish line, to win the men's 100-meter ahead of Churandy Martina from the Netherlands, Ryan Bailey from the U.S., Justin Gatlin from the U.S., Jamaica's Yohan Blake, Tyson Gay from the U.S., Jamaica's Asafa Powell, and Trinidad's Richard Thompson, form left to right, during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Slocum)

Jamaica's Usain Bolt, bottom, crosses the finish line to win the 100 meters before Jamaica's Yohan Blake, and Justin Gatlin, second from bottom and Tyson Gay from the U.S., top, during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt celebrates winning gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt (third left) crosses the line to win the Men's 100m final ahead of (left-right) Netherlands' Churandy Martina, USA's Ryan Bailey at the 2012 Summer Olympics at the Olympic Stadium, London, on Sunday, Aug. 5, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt reacts as he wins the mens 100-metre final at the 2012 Summer Olympics in London, Sunday, August 5, 2012.(AP Photo/The Canadian Press, Ryan Remiorz)

Chen Long of China celebrates his victory after the bronze medal men's singles badminton match against Lee Hyun Il of South Korea at The London 2012 Olympic Games in London on August 5, 2012. Chen Long won 21-12 15-21, 21-15. AFP PHOTO /ADEK BERRY

Team Japan celebrates defeating Team China during the men's foil team quarterfinals as part of the fencing event of London 2012 Olympic games, on August 5, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA