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RIO DE JANEIRO, BRAZIL - AUGUST 19: Usain Bolt of Jamaica runs ahead of of Aska Cambridge of Japan, Trayvon Bromell of the United States and Andre De Grasse of Canada in the Men's 4 x 100m Relay Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Ian Walton/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 19:  Usain Bolt of Jamaica runs ahead of of Aska Cambridge of Japan, Trayvon Bromell of the United States and Andre De Grasse of Canada in the Men's 4 x 100m Relay Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio de Janeiro, Brazil.  (Photo by Ian Walton/Getty Images)