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RIO DE JANEIRO, BRAZIL - AUGUST 12: Katie Ledecky of United States reacts after competing in the Women's 800m Freestyle Final on Day 7 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 12:  Katie Ledecky of United States reacts after competing in the Women's 800m Freestyle Final on Day 7 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil.  (Photo by Clive Rose/Getty Images)