| Name | Time | Date | Meet |
|---|---|---|---|
| Claire Donahue | 51.95 | Dec. 2, 2016 | AT&T Winter Championships |
| Michelle Cefal | 53.95 | Dec. 6, 2013 | 2013 AT&T Winter National Championships |
| Summer Brown | 58.27 | Dec. 9, 2011 | Speedo Junior National Championships |
| Chelsea Kyle | 1:00.06 | Feb. 25, 2010 | Southeastern LSC Championships |
