Kaylee McKeown - New world record
June 27 , 2021
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- The Australian swimmer Kaylee McKeown breaks the 100-meter backstroke world record.
- It was done in the event at the South Australian Aquatic Centre.
- She completed at a time of 57.45 seconds.
- The previous mark was 57.57 seconds set by American Regan Smith in 2019.
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