RIO DE JANEIRO, BRAZIL - AUGUST 18:  (L-R) Silver medalist, Nia Ali of the United States, gold medalist, Brianna Rollins of the United States and bronze medalist, Kristi Castlin of the United States pose on the podium during the medal ceremony for the Women's 100m Hurdles on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.  (Photo by Ryan Pierse/Getty Images)