Section 1 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 4 | FAJARDO, Jerecho | 9 | Francis Howell North High School | 58.78 | Verified |
| 5 | WOODS, Connor | 9 | John Burroughs High School | 1:01.31 | Verified |
Section 2 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | WILLIAMS, Simeon | SR | John Burroughs High School | 57.69 | Verified |
| 2 | ELLIS, Aiden | 9 | Hazelwood Central High School | 57.01 | Verified |
| 3 | FEAMAN, Caleb | SR | Hazelwood Central High School | 56.35 | Verified |
| 4 | WILLIAMS, Rodney | SO | Hazelwood West High School | 55.17 | Verified |
| 5 | LEVINE, Owen | 9 | Ladue Horton Watkins High School | 55.30 | Verified |
| 6 | KINION, Landon | 9 | Francis Howell Central High Scho | 56.61 | Verified |
| 7 | MCDEVITT, Rolen | SO | Francis Howell Central High Scho | 57.38 | Verified |
| 8 | POLLARD, Jeremiah | JR | Francis Howell North High School | 58.69 | Verified |
Section 3 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MAYER, Steffan | SO | St. Louis University High School | 53.80 | Verified |
| 2 | MEEHAN, Joseph | JR | St. Louis University High School | 53.06 | Verified |
| 3 | ROBINSON, Tyson | 9 | Ritenour High School | 52.16 | Verified |
| 4 | DAVIS, Elliott | SR | Ladue Horton Watkins High School | 49.58 | Verified |
| 5 | CLOUD, Raymond | 9 | DeSmet Jesuit High School | 52.16 | Verified |
| 6 | THOMAS, Elijah | SO | DeSmet Jesuit High School | 52.84 | Verified |
| 7 | CARPENTER, Darrius | JR | Hazelwood West High School | 53.40 | Verified |
| 8 | KARANJA, Collins | SR | Pattonville High School | 55.03 | Verified |
