| Name | Time | Date | Meet |
|---|---|---|---|
| Ethan Browne | 54.47 | Dec. 5, 2014 | AT&T Winter Nationals - College Results |
| Ethan Browne | 56.21 | Dec. 13, 2013 | Speedo Winter Junior National Championships |
| Dan Forsythe | 57.21 | March 23, 2007 | 2007 NCSA Junior Nationals |
| Dan Forsythe | 59.07 | March 24, 2006 | 2006 NCSA Junior National Championships |
