| Name | Time | Date | Meet |
|---|---|---|---|
| Matt Ellis | 49.44 | June 28, 2012 | USA Olympic Team Trials |
| Matt Ellis | 51.28 | June 1, 2012 | 2012 ST TXLA Elite Invite |
| Mark Curley | 54.01 | March 2, 2012 | Speedo Champions Series - College Station |
| Nick Allen | 54.19 | Aug. 11, 2009 | 2009 Speedo Junior National Championships |
| Robert Anderson | 54.87 | July 20, 2008 | 2008 Speedo Champions Series - Ft. Lauderdale |
| Kevin Frankenfeld | 55.24 | June 8, 2008 | Janet Evans Invitational |
| Kevin Frankenfeld | 58.38 | June 3, 2007 | 2007 NT DM Senior Circuit #2 M |
