| Place | Bib | Lane | Name | Affiliation | Time |
| 1 | JA | 6 | Penn Charter | Penn Charter | 50.02 |
| 2 | JM | 9 | Pottsgrove | Pottsgrove | 51.09 |
| 3 | JI | 7 | John XXIII | John XXIII | 51.56 |
| 4 | HY | 1 | No Babylon | No Babylon | 51.86 |
| 5 | JL | 8 | Potomac MD | Potomac MD | 53.85 |
| 6 | JC | 3 | Phil-Mont | Phil-Mont | 54.33 |
| 7 | JE | 2 | Pikesville | Pikesville | 54.40 |
| 8 | JH | 5 | Poolesville | Poolesville | 55.19 |
| 9 | JF | 4 | Pitman | Pitman | 55.24 |