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AP Sanya Richards-Ross leads the way in the women's 400m preliminary at the U.S. Olympic Track and Field Trials Friday, June 22, 2012, in Eugene, Ore. (A - Photo

Sanya Richards-Ross leads the way in the women's 400m preliminary at the U.S. Olympic Track and Field Trials Friday, June 22, 2012, in Eugene, Ore. (A

Saturday June 23, 12:08 AM
Sanya Richards-Ross leads the way in the women's 400m preliminary at the U.S. Olympic Track and Field Trials Friday, June 22, 2012, in Eugene, Ore. (AP Photo/Marcio Jose Sanchez)