South Dakota's Tansha Clarke clears a hurdle in a heptathlon 100-meter hurdles heat at the Drake Relays athletics meet, Wednesday, April 23, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)... more 
South Dakota's Tansha Clarke clears a hurdle in a heptathlon 100-meter hurdles heat at the Drake Relays athletics meet, Wednesday, April 23, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall) less 
1 / 1
Associated Press | Photo By Charlie Neibergall
Wed, Apr 23, 2014 3:54 PM EDT