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RIO DE JANEIRO, BRAZIL - AUGUST 07: Camille Lacourt of France (R) and David Plummer of the United States ompete in the second Semifinal of the Men's 100m Backstroke on Day 2 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 7, 2016 in Rio de Janeiro, Brazil. (Photo by Ian Walton/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 07:  Camille Lacourt of France (R) and David Plummer of the United States ompete in the second Semifinal of the Men's 100m Backstroke on Day 2 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 7, 2016 in Rio de Janeiro, Brazil.  (Photo by Ian Walton/Getty Images)