Jamaican sprinter Usain Bolt

Associated Press
Jamaican athlete Usain Bolt, right, and US athlete Allyson Felix take part in a press conference on the eve of the IAAF (International Association of Athletics Federations) Athlete of the Year Award marking the centenary of IAAF in Barcelona, Friday, Nov. 23, 2012.(AP Photo/Manu Fernandez)

View gallery

176 photos

The Jamaican sprinter and three-time Olympic gold medalist will be one of the biggest names to watch at the London Games.

View Comments (3)