| Name | Time | Date | Meet |
|---|---|---|---|
| Catherine Deng | 1:00.76 | Feb. 5, 2022 | Caltech vs. La Verne |
| Isabel Swafford | 1:01.89 | Jan. 18, 2020 | Pomona-Pitzer vs. Caltech, Whittier |
| Angelina Pan | 1:05.99 | Feb. 4, 2017 | Caltech vs. La Verne |
| Karen Dowling | 1:12.04 | Feb. 8, 2013 | Chapman vs. Cal Tech |
