Kendra Harrison, center, races to the finish line ahead of Kristi Castlin, left, and Dawn Harper-Nelson, right, while winning the women's special 100-meter hurdles at the Drake Relays athletics meet, Saturday, April 29, 2017, in Des Moines, Iowa.
Kendra Harrison, center, races to the finish line ahead of Kristi Castlin, left, and Dawn Harper-Nelson, right, while winning the women's special 100-meter hurdles at the Drake Relays athletics meet, Saturday, April 29, 2017, in Des Moines, Iowa. Charlie Neibergall AP
Kendra Harrison, center, races to the finish line ahead of Kristi Castlin, left, and Dawn Harper-Nelson, right, while winning the women's special 100-meter hurdles at the Drake Relays athletics meet, Saturday, April 29, 2017, in Des Moines, Iowa. Charlie Neibergall AP