RIO DE JANEIRO, BRAZIL - AUGUST 14: Gold medalist for the men's 400m Wayde Van Niekerk of South Africa congratulates gold medalist of the men's 100m Usain Bolt of Jamaica on day 8 of the Rio 2016 Olympic Games at Olympic Stadium on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Jean Catuffe/Getty Images)