| Name | Time | Date | Meet |
|---|---|---|---|
| Ethan Browne | 29.14 | March 19, 2015 | NCSA Spring Junior National Championship |
| Dan Forsythe | 29.95 | June 29, 2008 | 2008 U.S. Olympic Team Trials |
| Dan Forsythe | 30.35 | Aug. 3, 2007 | 2007 ConocoPhillips USA Swimming Championships |
| Dan Forsythe | 30.92 | Aug. 10, 2006 | USA Swimming Junior National Championships |
