| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | SEXTON, JACK | 9 | Oakville High School | NT | Unverified: |
| 4 | SCHELLER, William | 9 | Northwest (Cedar Hill) High Scho | NT | Unverified: |
| 5 | EDWARDS, David | SO | Oakville High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | BASS, Jalen | 9 | Mehlville High School | 1:15.00 | Unverified: Oakville Quad |
| 3 | UTSEY, Jeremyah | 9 | Mehlville High School | 1:06.00 | Unverified: |
| 4 | WHELEHON, Kyle | 9 | Mehlville High School | 1:04.03 | Verified |
| 5 | JOHNSON, WESLEY | 9 | Eureka High School | 1:04.06 | Verified |
| 6 | BARBEE, Aidan | SO | Seckman High School | 1:06.30 | Verified |
| 7 | TENTSCHERT, IAN | 9 | Oakville High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HOBELMANN, CASEY | 9 | Eureka High School | 1:02.00 | Unverified: |
| 2 | PORTER, Evan | 9 | Northwest (Cedar Hill) High Scho | 59.58 | Verified |
| 3 | CARTER, Michael | SO | Maplewood-Richmond Hts. High Sch | 57.20 | Unverified: |
| 4 | GAVIN, Michael | SO | Maplewood-Richmond Hts. High Sch | 55.57 | Verified |
| 5 | SHAW, Eric | SO | Maplewood-Richmond Hts. High Sch | 56.25 | Unverified: |
| 6 | CAMPBELL, Andrew | SO | Northwest (Cedar Hill) High Scho | 59.34 | Verified |
| 7 | MCELROY, KEYSHAWN | 9 | Eureka High School | 59.70 | Unverified: |
| 8 | STINCHCOMB, Austin | 9 | Seckman High School | 1:02.64 | Verified |
