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RIO DE JANEIRO, BRAZIL - AUGUST 15: IAAF President Sebastian Coe greets gold medalist Usain Bolt of Jamaica during the medal ceremony for the Men’s 100 metres on Day 10 of the Rio 2016 Olympic Games at the Olympic Stadium on August 15, 2016 in Rio de Janeiro, Brazil. (Photo by Paul Gilham/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 15:  IAAF President Sebastian Coe greets gold medalist Usain Bolt of Jamaica during the medal ceremony for the Men’s 100 metres on Day 10 of the Rio 2016 Olympic Games at the Olympic Stadium on August 15, 2016 in Rio de Janeiro, Brazil.  (Photo by Paul Gilham/Getty Images)