| Time | Date | Name | Meet |
|---|---|---|---|
| 46.23 | Feb. 5, 2022 | Connor Solvason | NCHSAA 4A Western Regionals |
| 47.51 | Feb. 9, 2012 | Ethan Garrison | NCHSAA 2012 3A State Championships |
| 47.70 | Feb. 3, 2012 | Ethan Garrison | NCHSAA 2012 3A Western Regionals |
| 48.17 | Jan. 21, 2012 | Ethan Garrison | South Piedmont 3A Conference Championship |
| 48.86 | Feb. 12, 2011 | Ethan Garrison | 11 North Carolina High School Best Times |
| 50.99 | Jan. 22, 2011 | Preston Roycroft | NC HS South Piedmont 3A Conference Championship |
