Des Moines

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Washington's Katie Flood reacts as she anchors her team to victory in the university women's distance medley relay at the Drake Relays athletics meet, Saturday, April 26, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Aman Wote reacts as he wins the men's special mile run at the Drake Relays athletics meet, Saturday, April 26, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Michael Tinsley reacts as he wins the men's special 400-meter hurdles at the Drake Relays athletics meet, Friday, April 25, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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LaShawn Merritt, right, reacts in front of Kirani James, left, as he wins the men's special 400-meter dash at the Drake Relays athletics meet on Friday, April 25, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Lolo Jones reacts with fans after running in the women's special shuttle hurdle relay at the Drake Relays athletics meet, Friday, April 25, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)