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
Tyson Gay, con 10.08, gana su serie con un viento en contra de 1,4 metros