| Name | Time | Date | Meet |
|---|---|---|---|
| Abby Toepfer | 4:32.65 | July 13, 2019 | New England Senior Championships |
| Tate Ellis | 4:35.88 | July 28, 2009 | 2009 YMCA National Long Course Championships |
| Ellesse Lunde | 4:44.48 | July 26, 2005 | 2005 YMCA National Long Course Championships |
| Breanna Stewart | 5:02.31 | July 24, 2003 | 2003 NE 12 & Under Age Group Championships |
| Caroline Vogel | 5:02.37 | July 25, 2002 | 2002 NE 12 & Under Age Group Championships |
| Caroline Vogel | 5:26.71 | July 20, 2001 | 2001 NE 12 & Under LC Championships |
