| Time | Date | Name | Meet |
|---|---|---|---|
| 57.24 | Dec. 15, 2022 | Julia Thomas | Cheyenne Mountain Invite |
| 1:00.17 | Nov. 29, 2022 | Julia Thomas | Pine Creek Eagles vs. Discovery Canyon |
| 1:02.90 | Feb. 11, 2022 | Varsha Ramesh | CHSAA Girls 3A State Championship |
| 1:03.11 | March 16, 2021 | Varsha Ramesh | CHSSA Girls 3A State Championships |
| 1:03.84 | Feb. 8, 2013 | Sarah Oldach | 13 Colorado Girls Best Times |
| 1:06.58 | Feb. 11, 2011 | Lauren Funk | Colorado Girls State 4A Championships |
