| Name | Time | Date | Meet |
|---|---|---|---|
| Rex Tullius | 47.37 | Dec. 17, 2010 | Chesapeake Pro-Am |
| Ryan Lochte | 46.51 | Jan. 19, 2009 | Toyota Grand Prix |
| Ryan Lochte | 49.86 | Jan. 15, 2007 | Toyota Grand Prix |
| Matt Norton | 51.52 | March 10, 2006 | Speedo Champions Series - Orlando |
| Andrew Swenson | 51.62 | March 13, 2003 | Speedo Champions Series - Orlando |
| Andrew Swenson | 51.76 | Dec. 6, 2002 | FL GSC Gator Speedo Holiday Classic |
| Andrew Swenson | 53.76 | Dec. 7, 2001 | FL GSC Gator Holiday Classic |
