From left, Kenya's Mercy Cherono, Ethiopia's Meseret Defar and Ethiopia's Almaz Ayana pose on the podium during the medals ceremony for the women's 5000-meter at the World Athletics Championships in the Luzhniki stadium in Moscow, Russia, Saturday, Aug. 17, 2013. Defar won gold, Cherono silver and Ayana bronze. (AP Photo/Alexander Zemlianichenko)