| Name | Time | Date | Meet |
|---|---|---|---|
| Grant Stafford | 55.86 | Aug. 7, 2013 | USA Swimming Junior National Championships |
| Tyler Shedron | 56.90 | July 2, 2008 | 2008 U.S. Olympic Team Time Trials |
| Tyler Shedron | 57.56 | Dec. 2, 2007 | 2007 USA Swimming Championships |
| Tyler Shedron | 57.60 | Aug. 10, 2006 | USA Swimming Junior National Championships |
