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RIO DE JANEIRO, BRAZIL - AUGUST 15: Sharon van Rouwendaal of the Netherlands winning the gold as she crosses the finish line the Women's 10km Marathon Swimming on day 10 of the Rio 2016 Olympic Games at Fort Copacabana on August 15, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 15:   Sharon van Rouwendaal of the Netherlands winning the gold as she crosses the finish line the Women's 10km Marathon Swimming on day 10 of the Rio 2016 Olympic Games at Fort Copacabana on August 15, 2016 in Rio de Janeiro, Brazil.  (Photo by Clive Rose/Getty Images)