| Name | Time | Date | Meet |
|---|---|---|---|
| Bowen Becker | 43.28 | April 11, 2021 | FL SYS GAIN Invitational SCY |
| Bowen Becker | 45.40 | Dec. 22, 2014 | Speedo Champions Series - California |
| Cody Miller | 45.69 | Dec. 18, 2009 | Speedo Champions Series - Long Beach |
| Jay Sirat | 45.86 | Jan. 17, 2009 | Toyota Grand Prix |
| Jakers Priest | 48.72 | Jan. 19, 2008 | Toyota Grand Prix |
| Matt Irwin | 52.86 | Feb. 27, 2003 | 2003 Calif-Nev Spring Speedo Champions Series |
| Seb Balint | 54.09 | Dec. 6, 2002 | Winter AA Age Group Championships |
