Women 100m Backstroke Swimming XXXII Olympic Games Tokyo, Japan 2020 - Sunday, 25th July - Tuesday, 27th July 2021 - Gold Medal: Kaylee McKewon, Australia
Olympic Qualifyng Time (OQT) - 1:00.25, NOC can enter up to 2 swimmers with OQT.
Olympic Selection Time (OST) - 1:02.26, invitational - A swwimer meeting the "invitation" standard was eligible for entry. But this entry was allotted/filled by ranking.