DAEGU, SOUTH KOREA - AUGUST 28: (L-R) Hye-lim Jung of South Korea, Jura Levy of Jamaica and Myriam Soumare of France compete in the women's 100 metres heats during day two of the 13th IAAF World Athletics Championships at the Daegu Stadium on August 28, 2011 in Daegu, South Korea. (Photo by Chris McGrath/Getty Images)