| Name | Time | Date | Meet |
|---|---|---|---|
| Brittany Kamper | 58.13 | Nov. 12, 2012 | 2012-13 Illinois Girls High School Best Times |
| Brittany Kamper | 58.62 | Nov. 19, 2010 | 2010 Illinois Girls State Championships |
| Kristen Katner | 1:02.74 | Nov. 21, 2008 | 2009 Illinois Girls State Championships |
