LONDON, ENGLAND - AUGUST 09: Caster Semenya (R) of South Africa leads Elena Arzhakova (L) of Russia and Janeth Jepkosgei Busienei of Kenya as they compete during the Women's 800m Semifinals on Day 13... more 
LONDON, ENGLAND - AUGUST 09: Caster Semenya (R) of South Africa leads Elena Arzhakova (L) of Russia and Janeth Jepkosgei Busienei of Kenya as they compete during the Women's 800m Semifinals on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Cameron Spencer/Getty Images) less 
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Getty Images | Photo By Cameron Spencer / Getty Images
Thu, Aug 9, 2012 3:07 PM EDT