Track and field competition lies at the heart of the Olympics' origins. Competitors from across the globe have spent their entire lives preparing for the action that awaits at the 2012 Summer Games in London.
As usual, America features a fine crop of runners, jumpers, hurdlers, throwers and everything in between. However, not all world-class athletes are created equal.
Some of the stars from the U.S. Olympic Track and Field Team Trials won't make it past preliminary rounds in London. Others will wind up on top of the winner's podium with a gold medal dangling across their chest.
Who leads the way this summer for Team USA? It's time to size up the U.S. roster and examine which athletes are primed for greatness at the 2012 Olympic Games, ranking America's top 10 contenders.