| Name | Time | Date | Meet |
|---|---|---|---|
| Anna Astrup | 58.62 | Feb. 19, 2022 | Summit League Championships |
| Grace Urkiel | 1:02.17 | Nov. 6, 2021 | Coyote Extravaganza Day Two |
| Erin Rudd | 1:02.49 | Dec. 1, 2018 | Rochester Invitational |
| Courtney Grunewald | 1:06.24 | Nov. 14, 2015 | Roger Ahlman Invitational |
