| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | HARRINGTON, James | Roxbury Latin School | 51.25 |
| 3 | FINN, Rian | Roxbury Latin School | 48.31 |
| 4 | CIGNA, Calvin | Thayer Academy | 50.09 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | LIN, Ryan | Roxbury Latin School | 47.14 |
| 3 | WALLACE, Seneca | Thayer Academy | 45.40 |
| 4 | FINN, Liam | Roxbury Latin School | 47.14 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | TARAZONA, Esteban | Roxbury Latin School | 45.29 |
| 3 | BRASHER, Ben | Roxbury Latin School | 40.50 |
| 4 | CROWLEY, Carter | Roxbury Latin School | 44.87 |