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)
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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)
