| Time | Date | Name | Meet |
|---|---|---|---|
| 49.46 | Feb. 26, 2016 | Chris Quarin | Ohio State Championships |
| 49.96 | Feb. 22, 2015 | Chris Quarin | Ohio High School Central District Meet |
| 50.03 | Feb. 27, 2009 | Travis Schieman | 09 Ohio High School Championships |
| 52.21 | Feb. 22, 2008 | Travis Schieman | Ohio State High School Championships |
| 52.74 | Feb. 23, 2007 | James Corbeil | OHSAA State Championships |
