| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SCHROEDER, Ethan | SR | Rock Bridge High School | 38.80m | Verified |
| 2 | CECIL, Jackson | SR | Ft. Zumwalt West High School | 41.72m | Verified |
| 3 | SCHULTE, Connor | SR | Timberland High School | 42.41m | Verified |
| 4 | MCNALLY, Owen | JR | Hickman High School | 44.03m | Verified |
| 5 | LEAR, Vance | SR | Lafayette (Wildwood) High School | 44.58m | Verified |
| 6 | HENDRIX, Clyde | SO | Washington High School | 48.92m | Verified |
| 7 | KAZMAIER, Bryce | SR | Francis Howell High School | 53.82m | Verified |
| 8 | BROCK, Mason | SR | Francis Howell High School | 58.72m | Verified |
