| Name | Time | Date | Meet |
|---|---|---|---|
| Julia Sperber | 25.62 | March 1, 2020 | – |
| Cassidy Fry | 27.48 | Aug. 1, 2017 | NCSA Summer Championship |
| Taylor Garber | 29.44 | July 21, 2009 | Speedo Champions Series - Oxford |
| Taylor Garber | 29.88 | Aug. 9, 2007 | 2007 Speedo Junior National Championships |
| Kristin Cihoski | 30.01 | July 28, 2004 | 2004 Speedo Champions Series - Indiana |
| Clarissa Wentworth | 31.30 | July 23, 2003 | Speedo Champions Series - Bloomington |
| Kaitlin Roach | 32.73 | Aug. 5, 2002 | 2002 NCSA Junior National Championship |
