| Time | Date | Name | Meet |
|---|---|---|---|
| 3:44.77 | March 10, 2023 | Diego Nosack | Speedo Sectionals - Federal Way |
| 3:46.24 | Dec. 9, 2022 | Diego Nosack | Speedo Winter Junior Championship West |
| 3:48.13 | March 25, 2022 | Diego Nosack | Speedo Sectionals - Austin |
| 3:48.48 | March 14, 2014 | Patrick Mulcare | Speedo Champions Series - Federal Way |
| 3:56.01 | March 15, 2013 | Cameron Stitt | Speedo Champions Series - Federal Way |
| 4:01.04 | March 6, 2003 | Pat Fausel | American Short Course Championships |
