| Name | Time | Date | Meet |
|---|---|---|---|
| Daniel Roy | 4:25.95 | Aug. 9, 2017 | Speedo Junior National Championships |
| Daniel Roy | 4:28.74 | July 20, 2017 | Pacific Northwest LCM Senior Championships |
| Daniel Roy | 4:30.78 | June 3, 2017 | Arena Pro Swim Series - Santa Clara |
| Trent Staley | 4:33.93 | March 30, 2006 | 2006 Spring Championships |
| Erich Matulic | 4:42.28 | July 20, 2005 | Speedo Champions Series - Houston |
