| Time | Date | Name | Meet |
|---|---|---|---|
| 55.44 | May 19, 2023 | Mari Griffin | KSHSAA Girls 5-1A State Championships |
| 56.74 | May 20, 2022 | Mari Griffin | KSHSAA Girls 5-1A State Championships |
| 1:02.92 | May 17, 2019 | Jill Dean | Kansas 5-1A Girls State Championship |
| 1:06.58 | May 22, 2015 | Reganne Bundy | Kansas Girls 1-5A High School Championships |
| 1:07.97 | May 23, 2014 | Reganne Bundy | Kansas Girls 6A High School Championships |
