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TOPSHOT - USA's Katie Ledecky competes in the Women's 4x200m Freestyle Relay Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 10, 2016. / AFP / Odd Andersen (Photo credit should read ODD ANDERSEN/AFP/Getty Images)

TOPSHOT - USA's Katie Ledecky competes in the Women's 4x200m Freestyle Relay Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 10, 2016.   / AFP / Odd Andersen        (Photo credit should read ODD ANDERSEN/AFP/Getty Images)

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(FromL) USA's Katie Ledecky, USA's Madeline 'Maya' Dirado, USA's Leah Smith and USA's Allison Schmitt pose with their national flag after they won the Women's 4x200m Freestyle Relay Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 10, 2016. / AFP / Odd Andersen (Photo credit should read ODD ANDERSEN/AFP/Getty Images)

(FromL) USA's Katie Ledecky, USA's Madeline 'Maya' Dirado, USA's Leah Smith and USA's Allison Schmitt pose with their national flag after they won the Women's 4x200m Freestyle Relay Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 10, 2016.  / AFP / Odd Andersen        (Photo credit should read ODD ANDERSEN/AFP/Getty Images)