Allyson Felix of the US is pictured after competing in the women's 400m at the IAAF Diamond League in Doha on May 6, 2011. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty ... more 
Allyson Felix of the US is pictured after competing in the women's 400m at the IAAF Diamond League in Doha on May 6, 2011. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images) less 
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Getty Images | Photo By KARIM JAAFAR / AFP/Getty Images
Fri, May 6, 2011 4:21 PM EDT