| Time | Date | Name | Meet |
|---|---|---|---|
| 4:17.42 | March 15, 2013 | Reed Malone | NCSA Junior National Championships |
| 4:24.97 | March 23, 2012 | Reed Malone | NCSA Junior National Championships |
| 4:25.60 | March 18, 2011 | Reed Malone | NASA Junior National Championship |
| 4:28.43 | March 6, 2010 | Samuel Metz | Illinois Senior Championship |
| 4:30.93 | Dec. 3, 2009 | Samuel Metz | AT&T Short Course National Championships |
| 4:34.12 | March 6, 2004 | James Wike | Illinois Senior Championship |
| 4:46.16 | March 13, 2003 | Erik Bordwell | Speedo Champions Series - Minneapolis |
