Nanjing 2014 - Aleksandr Lifanuv of Russia competes during the Men's Individual Swimming of modern pentathlon at Nanjing 2014 Youth Olympic Games in Nanjing, Jiangsu Province, Aug. 24, 2014. Aleksandr Lifanuv won the gold medal.

Team Russian Federation competes in the Synchronised Swimming Teams Free Routine on Day 14 of the Rio 2016 Olympic Games at the Maria Lenk Aquatics Centre on August 19, 2016 in Rio de Janeiro, Brazil.

Team Japan competes in the Synchronised Swimming Teams Free Routine on Day 14 of the Rio 2016 Olympic Games at the Maria Lenk Aquatics Centre on August 19, 2016 in Rio de Janeiro, Brazil.

Team of Russian Federation competes in the Synchronised Swimming Teams Free Routine on Day 14 of the Rio 2016 Olympic Games at the Maria Lenk Aquatics Centre on August 19, 2016 in Rio de Janeiro, Brazil.

Team of People's Republic of China competes in the Synchronised Swimming Teams Free Routine on Day 14 of the Rio 2016 Olympic Games at the Maria Lenk Aquatics Centre on August 19, 2016 in Rio de Janeiro, Brazil.

Nanjing 2014 - Gold medalist Zhong Xiuting of China competes during the swimming of Modern Pentathlon at the Nanjing 2014 Youth Olympic Games in Nanjing,Jiangsu Province, Aug. 23, 2014.

Refugee swimmer Rami Anis during the men's swimming 100m freestyle at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium, on 9th August, 2016.

Refugee swimmer Rami Anis during the men's swimming 100m freestyle at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium, on 9th August, 2016.

Refugee swimmer Rami Anis during the men's swimming 100m freestyle at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium, on 9th August, 2016.

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.