| Name | Time | Date | Meet |
|---|---|---|---|
| Abigail Jackman | 1:17.66 | July 21, 2023 | New England 11-14 LC Championships |
| Maya Lazarovich | 1:22.49 | March 18, 2011 | Speedo Champions Series - Fort Lauderdale |
| Alex Suppan | 1:22.19 | July 17, 2008 | Speedo Champions Series - State College |
| Kaitlyn Adams | 1:27.35 | July 25, 2002 | 2002 NE 12 & Under Age Group Championships |
| Caroline Weaver | 1:39.93 | July 20, 2001 | 2001 NE 12 & Under LC Championships |
