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Open Image ModalUsain Bolt of Jamaica celebrates winning gold in the Mens 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Stu Forster/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica celebrates winning gold in the Mens 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Alex Livesey/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica crosses the finish line ahead of Ryan Bailey of the United States, Yohan Blake of Jamaica and Justin Gatlin of the United States to win the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Shaun Botterill/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica crosses the finish line ahead of Ryan Bailey of the United States, Yohan Blake of Jamaica and Justin Gatlin of the United States to win the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Shaun Botterill/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica runs ahead of Ryan Bailey of the United States, Yohan Blake of Jamaica and Justin Gatlin of the United States during the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Jeff J Mitchell/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica celebrates winning gold in the Mens 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Ezra Shaw/Getty Images) (credit:Getty)
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Open Image ModalUsain Bolt of Jamaica celebrates after crossing the finish line to win the gold medal in the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Jeff J Mitchell/Getty Images) (credit:Getty)
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Open Image ModalJamaica's Usain Bolt, right, is congratulated by his mother Jennifer, left, and others after he won 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 ) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, center, is congratulated after he won 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 ) (credit:AP)
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Open Image ModalJamaica's Usain Bolt celebrates after winning the gold medal in the men's 100-meter final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Lee Jin-man) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, right, leads United States' Ryan Bailey 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) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, left, and compatriot Yohan Blake hold their national flag and celebrate after winning the gold and silver medals respectively during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Blake won the silver and Gatlin the bronze. (AP Photo/Matt Slocum) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, left, and compatriot Yohan Blake hold their national flag and celebrate after winning the gold and silver medals respectively during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Blake won the silver and Gatlin the bronze. (AP Photo/Matt Slocum) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, center, crosses the finish line ahead of Netherlands' Churandy Martina, left, United State's Ryan Bailey, second left, United States' Justin Gatlin, third right, Jamaica's Yohan Blake, second right, and United States' Tyson Gay in the men's 100-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Martin Meissner) (credit:AP)
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Open Image ModalJamaica's Usain Bolt, left, celebrates winning gold in the men's 100-meter final alongside silver medallist Yohan Blake of Jamaica during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Christophe Ena) (credit:AP)
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Open Image ModalJamaica'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) (credit:AP)