| Time | Date | Name | Meet |
|---|---|---|---|
| 44.79 | March 9, 2018 | Nolan Briggs | MHSAA Boys Division 3 State Championship |
| 45.55 | Feb. 24, 2018 | Nolan Briggs | OK Green Conference Championships |
| 46.61 | Jan. 16, 2018 | Nolan Briggs | Zeeland vs. Byron Center |
| 46.70 | March 10, 2017 | Nolan Briggs | Michigan Boys Division 3 State Championships |
| 46.81 | March 11, 2016 | Nolan Briggs | Michigan Boys Division 1 State Championships |
| 47.19 | March 9, 2012 | Blake Koning | 12 Michigan Boys Division 1 Championships |
| 48.26 | March 11, 2011 | Blake Koning | Michigan LP Division I Boy's Championships |
