3 / 34

Olympics Day 12 - Athletics

LONDON, ENGLAND - AUGUST 08: Allyson Felix of the United States celebrates winning gold in the Women's 200m Final on Day 12 of the London 2012 Olympic Games at Olympic Stadium on August 8, 2012 in London, England. (Photo by Paul Gilham/Getty Images)

U.S. sprinter Allyson Felix

Track and field star Allyson Felix is currently vying for the final U.S. spot on the women's 100-meter Olympic team, after reaching a dead heat with Jeneba Tarmoh.