Photo by AP
From left, Kemar Bailey Cole, from Jamaica, Tyson Gay, from the US, Nickel Ashmeade, from Jamaica, and Asafa Powell, from Jamaica, cross the finish line of the men's 100m race, at the Athletissima IAAF Diamond League athletics meeting, in the Stade Olympique de la Pontaise in Lausanne, Switzerland, on Thursday, July 4, 2013. (AP Photo, Keystone, Jean-Christophe Bott)