| Name | Time | Date | Meet |
|---|---|---|---|
| Andrew Ireland | 51.34 | May 18, 2010 | 2010 CIF San Diego Section - Division II Championships |
| Andrew Ireland | 51.44 | May 19, 2009 | 2009 CIF San Diego Division II Championships |
| Lee Sebring | 57.36 | May 16, 2006 | CIF - San Diego Section - Division II |
