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The American ended with five gold in men while the Aussie bagged seven medals

The reigning world champion touched home in an Olympic record time of 21.07 seconds, 0.48 seconds before Florent Manaudou of France. Bruno Fratus of Brazil took a bronze in 21.57 seconds.

Australian Ariarne Titmus — nicknamed the “Terminator” — lived up to her billing when she chased down Ledecky in the 400 freestyle