Caster Semenya

Caster Semenya
Caster Semenya /

Caster Semenya

Bob Martin/SI

Caster Semenya has been asked by to undergo a gender test, this after she burst onto the scene by posting a world leading time of 1 minute, 56.72 seconds in the 800 meters at the African junior championships. Her case gained more attention when she won the gold medal at the world championships on Aug. 19. Here's a gallery of Semenya in action.

Bill Frakes/SI
Bill Frakes/SI
Bob Martin/SI
Olivier Morin/AFP/Getty Images
Franck Fife/AFP/Getty Images
Franck Fife/AFP/Getty Images
John MacDougall/AFP/Getty Images
Thomas Lohnes/AFP/Getty Images
Adrian Dennis/AFP/Getty Images

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