Section 1 of 2
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | LONDAL, Franklin | JR | Mehlville High School | NT | Unverified: |
| 2 | O'NEAL, Lucas | 9 | Chaminade College Preparatory Sc | NT | Unverified: |
| 3 | TRUE, Zac | Ladue Horton Watkins High School | NT | ||
| 4 | MUSTAJBEGOVIC, EMIR | SO | Oakville High School | NT | Unverified: |
| 5 | CAVLOVICH, Casey | SR | Chaminade College Preparatory Sc | NT | Unverified: |
| 6 | FISCHER, Naejuan | SR | Webster Groves High School | NT | Unverified: |
Section 2 of 2
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | POMMER, Andrew | SR | Oakville High School | 55.45 | Verified |
| 2 | JONES, Nathan | SR | Kirkwood High School | 55.00 | Unverified: |
| 3 | THOMAS, Elijah | SO | DeSmet Jesuit High School | 54.10 | Unverified: |
| 4 | BOND, Josiah | SR | Kirkwood High School | 54.17 | Verified |
| 5 | HENTGES, Peter | JR | DeSmet Jesuit High School | 55.20 | Verified |
| 6 | BLAKEY, Luke | SR | Mehlville High School | NT | Unverified: |
