| Time | Date | Name | Meet |
|---|---|---|---|
| 3:50.26 | March 26, 2021 | Colin Bitz | ISCA International Senior Cup |
| 3:55.45 | March 21, 2019 | Colin Bitz | NCSA Spring Junior National Championship |
| 3:56.82 | Feb. 22, 2019 | Max Verheyen | Maryland Swimming Senior Short Course Championships |
| 3:57.93 | March 27, 2015 | Ben Skopic | NASA Junior National Championship |
| 4:02.58 | Dec. 12, 2014 | Ben Skopic | PV NCAP Tom Dolan Invitational |
| 4:04.46 | March 25, 2011 | Austin Taylor | Speedo Champions Series - Christiansburg |
| 4:05.02 | March 19, 2009 | Ian Slater | NCSA Junior National Swimming Championships |
