| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | BARTON, Mykell | JR | Rockwood Summit High School | NT | Unverified: |
| 3 | OXFORD, Payton | SO | Ft. Zumwalt East High School | 47.84 | Verified |
| 6 | NORRIS, Ryan | JR | Ft. Zumwalt East High School | 49.83 | Verified |
| 7 | BURNETT, Delrin | SO | Ft. Zumwalt South High School | NT | Unverified: |