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2012 Team USA Media Summit

DALLAS, TX - MAY 13: Track athlete, Allyson Felix poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas. (Photo by Ronald Martinez/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.