| Name | Time | Date | Meet |
|---|---|---|---|
| Kasey Schmidt | 56.79 | July 31, 2015 | Speedo Junior National Championships |
| Anna Vanderpool-Wallace | 56.44 | July 20, 2008 | 2008 Speedo Champions Series - Ft. Lauderdale |
| Anna Vanderpool-Wallace | 56.67 | Feb. 15, 2008 | Missouri Grand Prix |
| Caitlin Geary | 56.89 | Feb. 17, 2007 | Missouri Grand Prix |
| Caitlin Geary | 57.23 | Dec. 2, 2006 | 2006 U.S. Open |
| Caitlin Geary | 57.89 | March 29, 2006 | 2006 Spring Championships |
| Janelle Atkinson | 58.83 | June 27, 2002 | 2002 Bolles Sharks Long Course |
