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RIO DE JANEIRO, BRAZIL - AUGUST 11, 2016: Rie Kaneto of Japan competes to win the women's 200m breaststroke final at the Rio 2016 Summer Olympic Games, at the Olympic Aquatics Stadium. Stanislav Krasilnikov/TASS (Photo by Stanislav Krasilnikov\TASS via Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 11, 2016: Rie Kaneto of Japan competes to win the women's 200m breaststroke final at the Rio 2016 Summer Olympic Games, at the Olympic Aquatics Stadium. Stanislav Krasilnikov/TASS (Photo by Stanislav Krasilnikov\TASS via Getty Images)

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Gold medallist Japan's Rie Kaneto cries during the medal ceremony after she won the Women's 200m Breaststroke Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 11, 2016. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

Gold medallist Japan's Rie Kaneto cries during the medal ceremony after she won the Women's 200m Breaststroke Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 11, 2016.   / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

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RIO DE JANEIRO, BRAZIL - AUGUST 11: Gold medalist Rie Kaneto of Japan poses on the podium during the medal ceremony for the Women's 200m Breaststroke Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 11:  Gold medalist Rie Kaneto of Japan poses on the podium during the medal ceremony for the Women's 200m Breaststroke Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Adam Pretty/Getty Images)

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RIO DE JANEIRO, BRAZIL - AUGUST 11: (L-R) Silver medalist Yulia Erifmova of Russia, gold medalist Rie Kaneto of Japan and bronze medalist Jinglin Shi of China stand on the podium during the medal ceremony for the Women's 200m Backstroke Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 11:  (L-R) Silver medalist Yulia Erifmova of Russia, gold medalist Rie Kaneto of Japan and bronze medalist Jinglin Shi of China stand on the podium during the medal ceremony for the Women's 200m Backstroke Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Adam Pretty/Getty Images)