Hannah Margaret McNair "Maggie" Mac Neil[note 1] OLY (born 26 February 2000) is a Canadian former competitive swimmer.[2][1] A 100 metre butterfly event specialist, she is the 2020 Olympic champion, 2019 World (LC) champion, two-time World (SC) champion (2021, 2022), 2022 Commonwealth champion, and 2023 Pan American champion.[3] She holds the short course world record, the Commonwealth record, and Pan American record in the event.
One of Canada's most accomplished swimmers, she is a three-time Olympic medallist, eight-time World (LC) medallist, eleven-time World (SC) medallist, and five-time Commonwealth medallist. She also holds the world record in the short course 50 metre backstroke. She announced her retirement on September 26, 2024.
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