| Name | Time | Date | Meet |
|---|---|---|---|
| Catherine Gavell | 52.66 | March 20, 2015 | NCSA Junior National Time Trials |
| Delphine Vandal | 52.89 | March 15, 2015 | 2015 NE GMSC 13-18 AG Champion |
| Kate Weaver | 53.04 | March 11, 2007 | Speedo Champions Series (Harvard) |
| Kate Weaver | 53.87 | March 12, 2006 | Speedo Champions Series - Harvard |
| Kate Weaver | 54.87 | March 6, 2003 | New England Swimming Senior Championships |
