Olympics Day 8 – Athletics

Sanya Richards-Ross posted the second-fastest time of the 400-meter semifinals. (Michael Steele/Getty Images)

Sanya Richards-Ross posted the second-fastest time of the 400-meter semifinals. (Michael Steele/Getty Images)

LONDON, ENGLAND – AUGUST 04: Sanya Richards-Ross of the United States competes in the Women’s 400m Semi Final on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Michael Steele/Getty Images)