Caster Semenya of South Africa (R) leads the women's 800m event at the Dakar World Challenge athletics meeting in Dakar on May 28, 2011. Semenya won the event in a time of 2 mins 00.61s. AFP PHOTO / ... more 
Caster Semenya of South Africa (R) leads the women's 800m event at the Dakar World Challenge athletics meeting in Dakar on May 28, 2011. Semenya won the event in a time of 2 mins 00.61s. AFP PHOTO / MOUSSA SOW (Photo credit should read moussa sow/AFP/Getty Images) less 
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Getty Images | Photo By MOUSSA SOW / AFP/Getty Images
Sun, May 29, 2011 8:03 AM EDT