Jamaica's Usain Bolt competes in the men's 100m heats at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / ERIC FEFERBERG
Photo finish de la serie de Usain Bolt
(From L) Zambia's Gerald Phiri, US' Tyson Gay and Trinidad and Tobago's Richard Thompson compete in the men's 100m heats at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / GABRIEL BOUYS