| Name | Time | Date | Meet |
|---|---|---|---|
| Kensey McMahon | 4:10.46 | Aug. 2, 2018 | Speedo Junior National Championships |
| Kensey McMahon | 4:13.61 | July 28, 2018 | Phillips 66 Summer National Championships |
| Stephanie Carr | 4:14.27 | July 9, 2003 | 2003 Speedo Champions Series - Fort Lauderdale |
| Anya Carman | 4:16.18 | April 1, 2003 | ConocoPhillips National Championships |
| Janelle Atkinson | 4:21.94 | June 27, 2002 | 2002 Bolles Sharks Long Course |
