LONDON, Britain - Jamaica's Usain Bolt (C) finishes first in the men's 100-meter final at the Olympic Stadium at the 2012 London Olympics on Aug. 5, 2012. Bolt finished with an Olympic record time of 9.63 seconds. (Kyodo)

LONDON, Britain - Composite photo shows sequence of the men's 100-meter final (from back to front) at the Olympic Stadium at the 2012 London Olympics on Aug. 5, 2012. Jamaica's Usain Bolt in Lane 7 finished first with a time of 9.63 seconds. (Kyodo)

Fans takes pictures at Leadenhall Market as athletes compete in the men's marathon at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Lefteris Pitarakis)

Athletes run through the Leadenhall Market during the men's marathon at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Lefteris Pitarakis)

Athletes run near Big Ben during the men's marathon at the 2012 Summer Olympics in London, Sunday, Aug. 12, 2012. (AP Photo/Luca Bruno)

Athletes run near Big Ben during the men's marathon at the 2012 Summer Olympics, at the 2012 Summer Olympics, London, Sunday, Aug. 12, 2012. (AP Photo/Luca Bruno)

Athletes run through the Leadenhall Market during the men's marathon at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Lefteris Pitarakis)

Athletes run through the Leadenhall Market during the men's marathon at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Lefteris Pitarakis)

South Korea's Kim Kwang-hyok runs near Big Ben during the men's marathon at the 2012 Summer Olympics in London, Sunday, Aug. 12, 2012. (AP Photo/Luca Bruno)

Argentina's Manu Ginobili, right, drives to the basket against Russia's Andrei Kirilenko, center, during the men's bronze medal basketball game at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Eric Gay, pool)

Jacob Stephen Varner of the United States, competes with Kurban Kurbanov of Uzbekistan, (in blue) during their 96-kg freestyle wrestling match at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Paul Sancya)

LONDON, Britain - Japan's Genki Dean takes his first throw in the men's javelin final at the Olympic Stadium at the 2012 London Olympics on Aug. 11, 2012. Dean finished 10th. (Kyodo)

LONDON, Britain - Composite photo shows a sequence of Japan's Asuka Teramoto's balance beam performance (from L to R) during the women's gymnastics all-around final at North Greenwich Arena at the 2012 London Olympics on Aug. 2, 2012. She finished 11th. (Kyodo)

LONDON, Britain - Composite photo shows a sequence of Japan's Kohei Uchimura's horizontal bar performance (from lower R counterclockwise) during the men's gymnastics team final at North Greenwich Arena at the 2012 London Olympics on July 30, 2012. The Japanese team won the silver medal. (Kyodo)

LONDON, Britain - Composite photo shows Japan's Kohei Uchimura performing a pommel horse sequence (in order of C, R, L) during the men's gymnastics all-around final at North Greenwich Arena at the 2012 London Olympics on Aug. 1, 2012. Japan's Uchimura won the gold medal with a total of 92.690 points. (Kyodo)

Uganda's Stephen Kiprotich celebrates as he crosses the finish line to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Uganda's Stephen Kiprotich runs to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Uganda's Stephen Kiprotich waves his national flag as he celebrates winning the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Players of Brazil and Russia walk to the field for the men's volleyball gold medal match of the London 2012 Olympics Games against Russia, in London on August 12, 2012. AFP PHOTO / KIRILL KUDRYAVTSEV

Team Italy performs during the group all-around final of the rythmic gymnastics event of the London Olympic Games on August 12, 2012 at Wembley arena in London. AFP PHOTO / THOMAS COEX

Japan's Kentaro Nakamoto crosses the finish line of the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Zimbabwe's Wirimai Juwawo runs during the athletics event men's marathon at the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Taiwan's Chang Chia-Che celebrates as he crosses the finish line in the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

(L-R) Brazil's Bruno Rezende, Lucas Saatkamp and Murilo Endres block the ball during the men's volleyball gold medal match of the London 2012 Olympics Games against Brazil, in London on August 12, 2012. AFP PHOTO / KIRILL KUDRYAVTSEV

Uganda's Stephen Kiprotich runs to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

Spain's Jose Carlos Hernandez reacts after crossing the finish line in the athletics event men's marathon at the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

US' Mebrahtom Keflezighi celebrates after finishing fourth in the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Uganda's Stephen Kiprotich crosses the finish line to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

Uganda's Stephen Kiprotich runs to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

Team Belarus performs during the group all-around final of the rythmic gymnastics event of the London Olympic Games on August 12, 2012 at Wembley arena in London. AFP PHOTO / THOMAS COEX

Uganda's Stephen Kiprotich waves his national flag while crossing the finish line to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

Uganda's Stephen Kiprotich waves his national flag while crossing the finish line to win the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

Britain's Scott Overall rests after crossing the finish line of the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Canada's Dylan Wykes pours water on himself after crossing the finish line of the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Uganda's Stephen Kiprotich celebrates after winning the athletics event men's marathon during the London 2012 Olympic Games on August 12, 2012 in London. AFP PHOTO / OLIVIER MORIN

India's Sushil Kumar (R) wrestles Japan's Tatsuhiro Yonemitsu in their Men's 66kg Freestyle gold medal match on August 12, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Russia's Taras Khtey grabs the ball during the men's volleyball gold medal match of the London 2012 Olympics Games against Brazil, in London on August 12, 2012. AFP PHOTO / KIRILL KUDRYAVTSEV

Vasyl Lomachenko of the Ukraine (in red) defends against Soonchul Han of South Korea (in blue) during the Lightweight (60kg) boxing final of the 2012 London Olympic Games at the ExCel Arena August 12, 2012 in London. AFP PHOTO / JACK GUEZ

Vasyl Lomachenko of the Ukraine celebrates victory over Soonchul Han of South Korea in the gold medal Lightweight (60kg) boxing final of the 2012 London Olympic Games at the ExCel Arena August 12, 2012 in London. AFP PHOTO / JACK GUEZ

Bildnummer: 11196459 Datum: 11.08.2012 Copyright: imago/Sven Simon BLAKE Yohan ,BOLT Usain (JAM,Jamaika),Jubel,Freude,Begeisterung, 4x100m Staffel der Maenner,Relay men,am 11.08.2012. Olympische Sommerspiele 2012 in London vom 27.07. - 12.08.2012 in London/ Grossbritannien. ; OS Sommer Sommerspiele Spiele London 2012 Leichtathletik Staffel x1x xsk 2012 quer Aufmacher Olympische Sommerspiele Olympic Summergames Sommerspiele Sum Olympische Spiele 2012 Olympia 2012 London 2012 30. Olymp Olympische Spiele Olympic Games Olympia Datenbank Image number 11196459 date 11 08 2012 Copyright imago Sven Simon Blake Yohan Bolt Usain Jam Jamaica cheering happiness Enthusiasm 4x100m Season the Men Relay Men at 11 08 2012 Olympic Summer Games 2012 in London of 27 07 12 08 2012 in London UK OS Summer Summer Games Games London 2012 Athletics Season x1x xsk 2012 horizontal Highlight Olympic Summer Games Olympic Summer Games Sum Olympic Games 2012 Olympia 2012 London 2012 30 Olympus Olympic Games Olympic Games Olympia Database

Bildnummer: 11196460 Datum: 11.08.2012 Copyright: imago/Sven Simon BLAKE Yohan ,BOLT Usain (JAM,Jamaika),CARTER Nesta,FRATER Michael,Weltrekord, 4x100m Staffel der Maenner,Relay men,am 11.08.2012. Olympische Sommerspiele 2012 in London vom 27.07. - 12.08.2012 in London/ Grossbritannien. ; OS Sommer Sommerspiele Spiele London 2012 Leichtathletik Staffel x1x xsk 2012 quer Aufmacher Olympische Sommerspiele Olympic Summergames Sommerspiele Sum Olympische Spiele 2012 Olympia 2012 London 2012 30. Olymp Olympische Spiele Olympic Games Olympia Datenbank Image number 11196460 date 11 08 2012 Copyright imago Sven Simon Blake Yohan Bolt Usain Jam Jamaica Carter Nesta Frater Michael World record 4x100m Season the Men Relay Men at 11 08 2012 Olympic Summer Games 2012 in London of 27 07 12 08 2012 in London UK OS Summer Summer Games Games London 2012 Athletics Season x1x xsk 2012 horizontal Highlight Olympic Summer Games Olympic Summer Games Sum Olympic Games 2012 Olympia 2012 London 2012 30 Olympus Olympic Games Olympic Games Olympia Database

Bildnummer: 11196477 Datum: 11.08.2012 Copyright: imago/Sven Simon FARAH Mohamed (GBR,Zieleinlauf,Aktion,Jubel,Freude,Begeisterung,5000m der Maenner,Finale,Pulk,Laeufer ,Aktion,Starterfeld,am 11.08.2012. Olympische Sommerspiele 2012 in London vom 27.07. - 12.08.2012 in London/ Grossbritannien. ; OS Sommer Sommerspiele Spiele London 2012 Leichtathletik x1x xsk 2012 quer Aufmacher Olympische Sommerspiele Olympic Summergames Sommerspiele Sum Olympische Spiele 2012 Olympia 2012 London 2012 30. Olymp Olympische Spiele Olympic Games Olympia Datenbank Image number 11196477 date 11 08 2012 Copyright imago Sven Simon Farah Mohamed GBR Finish Action shot cheering happiness Enthusiasm 5000m the Men Final Pulk Runners Action shot Starter field at 11 08 2012 Olympic Summer Games 2012 in London of 27 07 12 08 2012 in London UK OS Summer Summer Games Games London 2012 Athletics x1x xsk 2012 horizontal Highlight Olympic Summer Games Olympic Summer Games Sum Olympic Games 2012 Olympia 2012 London 2012 30 Olympus Olympic Games Olympic Games Olympia Database

Jamaica's team with Usain Bolt, Yohan Blake,Michael Frater and Nester Carter beats the world record and wins the gold medal in the Relay 4X100 Meters Men at athetics in the 2012 London Olympics Games in London, UK on August 11h, 2012. Photo by Henri Szwarc/ABACAPRESS.COM # 330851_018

France's Anne Caroline Graffe In Taekwondo fight during the London Olympics in London, UK on August 11, 2012. Photo by Francis Bompard/Agence Zoom/ABACAPRESS.COM # 330854_010

Jamaica's team with Usain Bolt, Yohan Blake,Michael Frater and Nester Carter beats the world record and wins the gold medal in the Relay 4X100 Meters Men at athetics in the 2012 London Olympics Games in London, UK on August 11h, 2012. Photo by Henri Szwarc/ABACAPRESS.COM # 330851_002

Jamaica's team with Usain Bolt, Yohan Blake,Michael Frater and Nester Carter beats the world record and wins the gold medal in the Relay 4X100 Meters Men at athetics in the 2012 London Olympics Games in London, UK on August 11h, 2012. Photo by Henri Szwarc/ABACAPRESS.COM # 330851_029

France's Anne Caroline Graffe In Taekwondo fight during the London Olympics in London, UK on August 11, 2012. Photo by Francis Bompard/Agence Zoom/ABACAPRESS.COM # 330854_007

United Kingdom's Mo Farah wins a gold medal in the 5000 Meters men at athetics in the 2012 London Olympics Games in London, UK on August 11h, 2012. Photo by Henri Szwarc/ABACAPRESS.COM # 330852_008

United Kingdom's Mo Farah wins a gold medal in the 5000 Meters men at athetics in the 2012 London Olympics Games in London, UK on August 11h, 2012. Photo by Henri Szwarc/ABACAPRESS.COM # 330852_009

Athletes in the men's 50-kilometer race walk competition pass Buckingham Palace at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Mike Groll)

Great Britain's Ed McKeever celebrates after winning a gold medal in the men's kayak single 200m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012. (AP Photo/Chris Carlson)

Jordan's Nadin Dawani is kicked in the face by Ukraine's Maryna Konieva during their match in women's plus 67-kg taekwondo competition at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Ng Han Guan)

LONDON, Britain - Members of China's synchronized swimming team perform during the free routine final at the Aquatics Centre at the 2012 London Olympics on Aug. 10, 2012. The women's team won the silver medal. (Kyodo)

LONDON, Britain - Members of Russia's synchronized swimming team pose with the gold medals they won in the women's team competition at the 2012 London Olympics at the Aquatics Centre on Aug. 10, 2012. The team earned a total of 197.030. (Kyodo)

Britain's Samuel Weale looks up 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)

Erick Barrondo, of Guatemala, refreshes himself during the men's 50-kilometer race walk at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Sergei Grits)

Poland's Aleksandra Dawidowicz competes in the Mountain Bike Cycling women's race, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in Hadleigh Farm, Essex, England. (AP Photo/Christophe Ena)

Poland's Aleksandra Dawidowicz competes in the Mountain Bike Cycling women's race, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in Hadleigh Farm, Essex, England. (AP Photo/Christophe Ena)

Deniss Cerkovskis of Latvia celebrates after defeating Szymon Staskiewicz of Poland during the men's fencing section of the modern pentathlon at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Alastair Grant)

Poland's Joanna Mitrosz reacts after performing the final routine during the rhythmic gymnastics individual all-around final at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Julie Jacobson)

Poland's Joanna Mitrosz performs during the rhythmic gymnastics individual all-around final at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Julie Jacobson)

Norway's Gunn-Rita Dahle Flesjaa (3) falls as Austria's Elisabeth Osl (15), Sweden's Alexandra Engen (16), and Poland's Aleksandra Dawidowicz (24) pass her during the Mountain Bike Cycling women's race, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in Hadleigh Farm, Essex, England. (AP Photo/Christophe Ena)

Jamaica's Usain Bolt celebrates winning gold 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/David J. Phillip)

Jamaica's Usain Bolt leaps over a camera railing after his team's win in the men's 4 x 100- meter relay 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/Anja Niedringhaus)

Jamaica's Usain Bolt celebrates after his team won gold and set a new world with a time of 36.84 seconds 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. (AP Photo/Matt Dunham)

Jamaica's Usain Bolt and Great Britain's Mohamed Farah imitate each other after the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Matt Slocum)

Jamaica's Usain Bolt holds up the baton as he celebrates winning gold 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/David J. Phillip)

Jamaica's Usain Bolt, left, heads for 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/David J. Phillip)

Jamaica's Usain Bolt, left, 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/David J. Phillip)

Jamaica's Usain Bolt, right, and Jamaica's Yohan Blake celebrate winning gold and setting a new world record with a time of 36.84 seconds 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. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt, left, returns the baton to technical officials as Jamaica's Yohan Blake, back right, looks on after his team won gold 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/David J. Phillip)

Jamaica's Usain Bolt, right, and Jamaica's Yohan Blake celebrate winning gold and setting a new world record with a time of 36.84 seconds 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. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt celebrates after winning the men's 4 x 100-meter relay 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/Daniel Ochoa De Olza)

Jamaica's Yohan Blake, Usain Bolt, Nesta Carter, and Michael Frater pose with their national flag after their gold medal win in the men's 4 x 100-meter relay 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/Anja Niedringhaus)

Jamaica's Usain Bolt takes off his shoes after winning the men's 4 x 100-meter relay 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/Lee Jin-man)

Jamaica's Usain Bolt celebrates as he finishes first in the men's 4 x 100-meter relay 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/Lee Jin-man)

From left, Jamaica's Usain Bolt, Jamaica's Yohan Blake, Jamaica's Nesta Carter and Jamaica's Michael Frater pose for photographers next to a timing board displaying their world record time of 36.84 seconds for the men's 4x100-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)

Jamaica's Usain Bolt, right, is embraced by a spectator after his team won gold in the men's 4x100-meter relay final and set a new world record of 36.84 seconds during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt crosses the finish line ahead of United States' Ryan Bailey in the men's 4 x 100-meter relay 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/Martin Meissner)

Jamaica's Usain Bolt reacts as he finishes ahead of United States' Ryan Bailey in the men's 4 x 100-meter relay 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/Anja Niedringhaus)

Jamaica's Usain Bolt finishes ahead of United States' Ryan Bailey in the men's 4 x 100-meter relay 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/Martin Meissner)

Jamaica's Usain Bolt reacts as he finishes ahead of United States' Ryan Bailey in the men's 4 x 100-meter relay 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/Anja Niedringhaus)

Jamaica's Usain Bolt, right, and Jamaica's Yohan Blake, left, celebrate after they won gold in the men's 4x100-meter relay final and set a new world record of 36.84 seconds during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip)

From left, Jamaica's Usain Bolt, Jamaica's Yohan Blake, Jamaica's Nesta Carter and Jamaica's Michael Frater pose for photographers next to a timing board displaying their world record time of 36.84 seconds for the men's 4x100-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)

Jamaica's Usain Bolt, right, is embraced by a spectator after his team won gold in the men's 4x100-meter relay final and set a new world record of 36.84 seconds during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip)

Jamaica's Usain Bolt celebrates as he finishes ahead of United States' Ryan Bailey in the men's 4 x 100-meter relay 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/Martin Meissner)

Jamaica's men's 4x100-meter members Yohan Blake and Usain Bolt celebrate after breaking a world record during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012.(AP Photo/Matt Slocum)

Jamaica's Usain Bolt celebrates his win in the men's 4 x 100-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/Anja Niedringhaus)

Jamaica's men's 4x100-meter team Nesta Carter, Michael Frater, Yohan Blake and Usain Bolt pose after breaking a world record during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Morry Gash)

Jamaica's Usain Bolt celebrates his win in the men's 4 x 100-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/Anja Niedringhaus)

Jamaica's Usain Bolt celebrates his win in the men's 4 x 100-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/Anja Niedringhaus)

Jamaica's Usain Bolt leads United States' Ryan Bailey to win the men's 4 x 100-meter relay final during the athletics in the Olympic Park during the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. Jamaica set a new world record with a time of 36.84 seconds.(AP Photo/Anja Niedringhaus)

Jamaica's Usain Bolt, left, 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/David J. Phillip)

Jamaica's Usain Bolt leads United States' Ryan Bailey to win the men's 4 x 100-meter relay final during the athletics in the Olympic Park during the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. Jamaica set a new world record with a time of 36.84 seconds.(AP Photo/Anja Niedringhaus)

Jamaica's Usain Bolt, left, 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/David J. Phillip)

Jamaica's Usain Bolt, left, goes to cross 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/David J. Phillip)

Jamaica's Usain Bolt, left, 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/David J. Phillip)

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)

Jamaica's Usain Bolt crosses the finish line ahead of United States' Ryan Bailey to win the men's 4 x 100-meter relay final during the athletics in the Olympic Park during the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. Jamaica set a new world record with a time of 36.84 seconds.(AP Photo/Mark Baker)

Jamaica's Usain Bolt ahead of Ryan Bailey of the United States to win gold and set a new world record of 36.84 during the Men's 4 x 100m Relay Final at the Olympic Games at the Olympic Stadium at the 2012 Summer Olympics at the Olympic Stadium, London, on Saturday, Aug. 11, 2012. (AP Photo/Mark Allan)

Jamaica's Usain Bolt celebrates his win in the men's 4 x 100-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/Anja Niedringhaus)

Jamaica's Usain Bolt celebrates after his team's win in the men's 4 x 100-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Anja Niedringhaus)

Jamaica's Men's 4 x 100m team, Yohan Blake, Usain Bolt, Nesta Carter and Michael Frater after winning gold and setting a new world record of 36.84 during the Relay Final af at the Olympic Games at the Olympic Stadium at the 2012 Summer Olympics at the Olympic Stadium, London, on Saturday, Aug. 11, 2012. (AP Photo/Mark Allan)

Amro El Geziry of Egypt dives in for the 200-meter freestyle during the swimming portion of the men's modern pentathlon at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, Aug. 11, 2012. (AP Photo/Mark J. Terrill)

LONDON, Britain - Members of China's synchronized swimming team perform during the free routine final at the Aquatics Centre at the 2012 London Olympics on Aug. 10, 2012. The women's team won the silver medal. (Kyodo)

Russia's Nadezhda Grishaeva (15) drives to the basket against Australia's Suzy Batkovic (8) during the women's basketball bronze medal game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Mark Ralston, Pool)

United States' players react on the bench during a women's gold medal basketball game against France at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Victor R. Caivano)

United States' Sue Bird reacts on the bench during a women's gold medal basketball game against France at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Victor R. Caivano)

Australia's Elizabeth Cambage jams her finger into the eye of Russia's Natalya Vodopyanova while defending a drive to the basket during a women's bronze medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Charles Krupa)

Fans attend a women's gold medal basketball game between the United States and France at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Eric Gay)

French players stand during the playing of France's national anthem at the start of the women's gold medal basketball game against the United States at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Victor R. Caivano)

United States' Diana Taurasi, right, shoots for the basket past France's Emilie Gomis during a women's gold medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Victor R. Caivano)

United States' Tamika Catchings, top, and France's Emmeline Ndongue battle for a rebound during the women's gold medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Charles Krupa)

Russia's Natalya Vodopyanova, left, drives to the basket as Australia's Elizabeth Cambage, right, defends during a women's bronze medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Eric Gay)

Australia's Suzy Batkovic, left, and Rachel Jarry, top, pressure Russia's Irina Osipova on a reboundvduring a women's bronze medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Charles Krupa)

In this photo taken on Friday, Aug. 10, 2012, South Korea's Park Jong-woo holds up a banner reading "Dokdo is our Territory," referring to the largely uninhabited islets, midway between South Korea and Japan, after his team won their bronze medal men's soccer match against Japan, at the 2012 London Summer Olympics, at the Millennium Stadium in Cardiff, Wales. Park, who displayed his country's flag with the political slogan after the match should be barred from Saturday's medal ceremony, the IOC told team officials. FIFA statutes prohibit political statements being made at its matches, and the IOC generally only allows official national flags to be displayed at events. (AP Photo/Jon Super)

In this photo taken on Friday, Aug. 10, 2012, South Korea's Park Jong-woo holds up a banner reading "Dokdo is our Territory," referring to the largely uninhabited islets, midway between South Korea and Japan, after his team won their bronze medal men's soccer match against Japan, at the 2012 London Summer Olympics, at the Millennium Stadium in Cardiff, Wales. Park, who displayed his country's flag with the political slogan after the match should be barred from Saturday's medal ceremony, the IOC told team officials. FIFA statutes prohibit political statements being made at its matches, and the IOC generally only allows official national flags to be displayed at events. (AP Photo/Jon Super)

Athletes compete in the men's 50-kilometer race walk, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Lefteris Pitarakis)

Athletes compete in the 50-kilometer men's race walk competition, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/ Dmitry Lovetsky)

Athletes in the men's 50-kilometer race walk competition pass Buckingham Palace at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Mike Groll)

New Zealand's Lisa Carrington smiles after winning the gold medal women's kayak single 200m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012. (AP Photo/Chris Carlson)

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)

Jamaica's Kenneth Edwards fights China's Liu Xiaobo (in red) during their match in men's plus 80-kg taekwondo competition at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Ng Han Guan)

Spain's Saul Craviotto Rivero, right, celebrates after winning the silver medal for the men's kayak single 200m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012. Great Britain's Ed McKeever, left, won the gold medal. (AP Photo/Natacha Pisarenko)

Ukraine's Iurii Cheban, right, gestures after winning the gold medal for the men's kayak single 200m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012. At left Lithuania's Jevgenij Shuklin, who won the silver medal. (AP Photo/Chris Carlson)

LONDON, Britain - Cuba's Dayron Robles (C) is disqualified during the men's 110-meter hurdles final at the Olympic Stadium at the 2012 London Olympics on Aug. 8, 2012. Aries Merritt of the United States (L) won the gold medal with a time of 12.92 seconds. (Kyodo)

Woojin Hwang, of Korea, and his horse Shearwater Oscar, fall down after the horse bucked after the starting bell sounded to start their run in the equestrian show jumping stage of the men's modern pentathlon at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/David Goldman)

Woojin Hwang, of Korea, is checked on by an official after getting bucked off his horse Shearwater Oscar, in the equestrian show jumping stage of the men's modern pentathlon at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/David Goldman)