Australia’s Emma McKeon, who claimed a staggering seven medals in Tokyo, was fifth in 56.79 and defending gold medalist Maggie Mac Neil advanced to the semifinals with the seventh-best time (57.00)
Katie Ledecky gets fastest time in 400 free prelims, just ahead of Ariarne Titmus
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“It still feels very surreal,” said McKeon, a 27-year-old from Brisbane.
Milestone medals in pool, 100-meter dash on tap at Olympics
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