| Place | Bib | Lane | Name | Affiliation | Time |
| 1 | RS | 9 | Friendly | Friendly | 49.62 |
| 2 | RJ | 5 | Elmont | Elmont | 49.66 |
| 3 | RT | 2 | Gaithersburg | Gaithersburg | 50.85 |
| 4 | RA | 1 | Downing East | Downing East | 51.97 |
| 5 | RK | 7 | Fallston | Fallston | 52.22 |
| 6 | RP | 8 | Franklin NJ | Franklin NJ | 53.04 |
| 7 | RL | 6 | Farmingdale | Farmingdale | 53.69 |
| 8 | RZ | 3 | Hallahan | Hallahan | 54.67 |
| 9 | RG | 4 | Eastern Reg | Eastern Reg | 55.22 |