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BERLIN - AUGUST 19: Caster Semenya of South Africa celebrates winning the gold medal in the women's 800 Metres Final during day five of the 12th IAAF World Athletics Championships at the Olympic Stadium on August 19, 2009 in Berlin, Germany. (Photo by Stu Forster/Getty Images)

BERLIN - AUGUST 19: Caster Semenya of South Africa celebrates winning the gold medal in the women's 800 Metres Final during day five of the 12th IAAF World Athletics Championships at the Olympic Stadium on August 19, 2009 in Berlin, Germany. (Photo by Stu Forster/Getty Images)
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Getty Images Sport Stu Forster