| Name | Time | Date | Meet |
|---|---|---|---|
| Peter Mikheyev | 56.46 | March 18, 2016 | NCSA Spring Junior National Championship |
| Patrick Murphy | 55.21 | Aug. 6, 2009 | 2009 U. S. Open |
| Patrick Murphy | 57.29 | July 18, 2008 | Speedo Champions Series - State College |
| Eric Bailey | 1:05.90 | March 7, 2008 | 2008 Speedo Champions Series |
| Evan Grey | 1:16.85 | July 23, 2006 | 2006 NE 12 & Under Long Course Championships |
| Graham Sicalowski | 1:23.47 | July 22, 2004 | 2004 NE 12 & Under Long Course Championships |
