Section 1 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | BIAS, Clark | 9 | Webster Groves High School | NT | |
| 3 | WUELLNER, Peter | JR | Chaminade College Preparatory Sc | NT | Unverified: |
| 4 | VINCH, Mikhail | 9 | Ladue Horton Watkins High School | NT | Unverified: |
Section 2 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | CURRAN, Calvin | JR | Vianney High School | NT | Unverified: |
| 2 | COOPER, Nicolas | SO | Ladue Horton Watkins High School | NT | Unverified: |
| 3 | FRANCIS, Tyler | SO | Oakville High School | NT | Unverified: |
| 4 | BRADLEY, JOSEPH | SO | Oakville High School | NT | Unverified: |
| 5 | ROCHE, Andrew | 9 | Vianney High School | NT | Unverified: |
| 6 | EVANS, William | SO | Mehlville High School | NT | Unverified: |
Section 3 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MIKEY) GANNINGER, Michael | 9 | Chaminade College Preparatory Sc | NT | Unverified: |
| 2 | LEATHERBERRY, Deshawn | JR | DeSmet Jesuit High School | 1:01.10 | Verified |
| 3 | ERUSHA, Cole | SO | DeSmet Jesuit High School | 58.20 | Unverified: |
| 4 | HASSAN, Imran | SO | Kirkwood High School | 1:01.00 | Unverified: |
| 5 | FROST, Trey | SO | Kirkwood High School | 1:02.00 | Unverified: |
| 6 | PESSELATO, Cristoforo | 9 | Mehlville High School | NT | Unverified: |
