Jamaica's Usain Bolt celebrates after crossing the finish line to win gold 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)

Photo by: Lee Jin-man

Jamaica's Usain Bolt celebrates after crossing the finish line to win gold 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)