| Time | Date | Name | Meet |
|---|---|---|---|
| 54.69 | March 13, 2013 | Will Licon | NCSA Junior National Championships |
| 54.84 | Nov. 30, 2012 | Will Licon | USA Swimming Winter Nationals |
| 55.80 | Dec. 9, 2011 | Will Licon | Speedo Junior National Championships |
| 55.91 | Dec. 11, 2009 | Ian Bishop | Speedo Junior Nationals |
| 58.16 | March 18, 2009 | Ian Bishop | NCSA Junior National Swimming Championships |
| 1:00.86 | Dec. 7, 2008 | Brandon Curley | NT COR A Winter Classic |
