| Time | Date | Name | Meet |
|---|---|---|---|
| 59.13 | Aug. 7, 2013 | Michelle Cefal | USA Swimming Junior National Championships |
| 59.31 | Aug. 15, 2012 | Michelle Cefal | Speedo Junior National Championships (LCM) |
| 59.85 | June 29, 2008 | Morgan Scroggy | U.S. Olympic Team Trials |
| 1:00.16 | Aug. 3, 2004 | Morgan Scroggy | ConocoPhillips National Championships |
| 1:04.86 | June 19, 2003 | Kara Nelson | CA MVN TYR Swim Meet of Champions |
