| Name | Time | Date | Meet |
|---|---|---|---|
| Karlee Bispo | 48.19 | Dec. 1, 2012 | USA Swimming Winter Nationals |
| Tanica Jamison | 48.69 | Dec. 6, 2008 | ConocoPhillips Short Course Championships |
| Colleen Lanne | 49.02 | March 6, 2003 | American Short Course Championships |
| Danna Davidson | 52.57 | March 8, 2001 | Short Course TAGS 2001 |
| Meghan Flanagan | 52.87 | March 2, 2001 | Speedo Champions Series - San Antonio |
| Meghan Flanagan | 54.67 | Nov. 4, 2000 | 2000 NT North All Star Qualifying Meet |
