| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | RESPONDEK, Tyler | Yorktown | 44.56 |
| 2 | OLIVER, Kory | Refugio | NT |
| 3 | WHITMIRE, Chai | Refugio | 42.10 |
| 4 | GONZALES, Braylon | Refugio | 41.35 |
| 5 | ESPINOZA, Benny | Aqua Dulce | 44.38 |
| 6 | CHANSAN, Victor | Premont | 45.97 |
| 7 | RAMIREZ, Aaron | Kaufer | 46.14 |
| 8 | BUREMOH, Terrance | Premont | 47.10 |