-
South Africa's Caster Semenya competes in the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics. (AP Photo/Lee Jin-man)
-
Russia's Mariya Savinova, left, reacts as she crosses the finish line to win gold ahead of South Africa's Caster Semenya, center, and Russia's Ekaterina Poistogova, right, in the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip)
-
Russia's Mariya Savinova, right, reacts as she crosses the finish line ahead of South Africa's Caster Semenya to win the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Anja Niedringhaus)
-
Russia's Mariya Savinova, left, and South Africa's Caster Semenya, right, react after winning first and second place in the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Anja Niedringhaus)
-
Russia's Mariya Savinova, left, is congratulated by South Africa's Caster Semenya after winning the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Anja Niedringhaus)
-
South Africa's Caster Semenya reacts after finishing in second place in the women's 800-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Lee Jin-man)
-
South Africa's Caster Semenya celebrates winning silver in the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/David J. Phillip)
-
South Africa's Caster Semenya reacts after finishing in second place in the women's 800-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Anja Niedringhaus)
-
South Africa's Caster Semenya reacts after finishing in second place in the women's 800-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Lee Jin-man)
-
South Africa's Caster Semenya reacts after receiving her silver medal for the women's 800-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Matt Slocum)
-
Russia's Mariya Savinova is flanked by South Africa's Caster Semenya, left, and Russia's Ekaterina Poistogova at the awards ceremony for the women's 800-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Matt Slocum)
-
South Africa's Caster Semenya reacts after receiving her silver medal for the women's 800-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Matt Slocum)
Click on the thumbnail above to view the larger image.