Sharon van Rouwendaal of the Netherlands celebrates her victory in 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.

Rachele Bruni of Italy competes in 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.

Sharon van Rouwendaal of the Netherlands competes in 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.

Keri-Anne Payne of Great Britain competes in 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.

Isabelle Haerle of Germany competes in 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.

Haley Anderson of the United States of America competes in 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.

Rachele Bruni of Italy (Silver), Sharon van Rouwendaal of the Netherlands (Gold) and Poliana Okimoto of Brazil (Bronze) pose on the podium during the medal ceremony for 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.

Xin Xin of the People's Republic of China competes in 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.

(L-R) Sharon van Rouwendaal of the Netherlands and Michelle Weber of South Africa compete in 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.

Poliana Okimoto of Brazil competes in 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.