| 1 | Eliseo SiguenzaPlace 1 · Episcopal | — | Episcopal | 1:18.68 | 3 |
| 2 | Ethan VillaverPlace 2 · Paul VI | — | Paul VI | 1:18.92 | 5 |
| 3 | Liam BrennanPlace 3 · Potomac | — | Potomac | 1:19.11 | 1 |
| 4 | John TecalaPlace 4 · Gonzaga | — | Gonzaga | 1:19.17 | 5 |
| 5 | Atticus CoynePlace 5 · G.Day School | — | G.Day School | 1:20.79 | 3 |
| 6 | Javier McGowanPlace 6 · Episcopal | — | Episcopal | 1:21.20 | 4 |
| 7 | Michael ReganPlace 7 · Potomac | — | Potomac | 1:22.99 | 1 |
| 8 | Jonathan BeanePlace 8 · Episcopal | — | Episcopal | 1:24.05 | 2 |
| 9 | Keith DuongPlace 9 · Episcopal | — | Episcopal | 1:26.79 | 3 |
| 10 | William OdellPlace 10 · St JP the Great | — | St JP the Great | 1:28.01 | 4 |
| 11 | Aakash DhariaPlace 11 · Paul VI | — | Paul VI | 1:28.82 | 5 |
| 12 | Dillon BoszhardtPlace 12 · Episcopal | — | Episcopal | 1:29.29 | 1 |
| 13 | Devin ZucconiPlace 13 · Gonzaga | — | Gonzaga | 1:29.70 | 4 |
| 14 | Connor RockPlace 14 · Gonzaga | — | Gonzaga | 1:30.44 | 2 |
| 15 | John ClevelandPlace 15 · St JP the Great | — | St JP the Great | 1:30.85 | 1 |
| 16 | Brandon ParsontPlace 16 · St Stephens/Agne | — | St Stephens/Agne | 1:31.20 | 2 |
| 17 | Christopher CookePlace 17 · St JP the Great | — | St JP the Great | 1:33.29 | 3 |
| 18 | Brian KoefootPlace 18 · Gonzaga | — | Gonzaga | 1:33.40 | 2 |