| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HAUSER, Hayden | SR | Francis Howell High School | 39.04m | Verified |
| 2 | AZAR, Nicholas | SR | Ft. Zumwalt West High School | 39.12m | Verified |
| 3 | REED, Canyon | JR | Eureka High School | 39.42m | Verified |
| 4 | BUENEMAN, Ben | SR | Holt High School | 40.00m | Verified |
| 5 | MAHONEY, Brendan | SR | Ft. Zumwalt North High School | 42.66m | Verified |
| 6 | MOTEN, Mac | SR | Christian Brothers College High | 43.41m | Verified |
| 7 | BROCK, Mason | SR | Francis Howell High School | 46.00m | Verified |
| 8 | INNES, Sam | SR | Battle High School | 49.08m | Verified |
