| Time | Date | Name | Meet |
|---|---|---|---|
| 50.59 | Nov. 21, 2014 | Catie DeLoof | 15 Michigan Girls Division 2 State Championships |
| 50.80 | Nov. 18, 2011 | Catie DeLoof | 12 Michigan Girls Division 2 Championships |
| 51.40 | Nov. 19, 2010 | Ali DeLoof | Michigan LP Division II Girls Championships |
| 52.57 | Nov. 20, 2009 | Ali DeLoof | MHSAA D2 Girls (LP) Championship |
| 54.55 | Nov. 21, 2008 | Ali DeLoof | Michigan Girls Division 2 Championships |
