| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | DETULLIO, Garrett | 7 | Rolla MS | NT | Unverified: |
| 3 | GIPSON, Blake | 8 | St. James Middle School | NT | Unverified: |
| 4 | ADAMS, Ayden | 7 | West County MS | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | PRIBBLE, Austin | 8 | Stoutland Middle School | NT | Unverified: |
| 2 | MUNOZ, Dorian | 8 | Cuba Middle School | NT | Unverified: |
| 3 | DELUCA, Caden | 7 | St. James Middle School | NT | Unverified: |
| 4 | MOUSADAKOS, Vasilis | 7 | Rolla MS | NT | Unverified: |
| 5 | TWOMEY, Aiden | 8 | West County MS | NT | Unverified: |
| 6 | BOHNENKAMP, Tate | 7 | West County MS | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | GRINDEL, Tristen | 8 | Cuba Middle School | NT | Unverified: |
| 2 | BECKER, Riley | 7 | Rolla MS | NT | Unverified: |
| 3 | CARTER, Mason | 6 | Viburnum Junior High School | 1:42.72 | Verified |
| 4 | PERKINS, Tanner | 7 | St. Clair Junior High School | NT | Unverified: |
| 5 | DEESON, Paxton | 8 | Salem MS | NT | Unverified: |
| 6 | JONES, Kyle | 6 | Stoutland Middle School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | STEFFE, Kameron | 6 | Newburg Middle School | 1:23.00 | Unverified: |
| 2 | HICKS, Jeremiah | 7 | Viburnum Junior High School | 1:21.16 | Verified |
| 3 | MATHUS, Matthew | 6 | Crocker Middle School | 1:18.75 | Verified |
| 4 | DIXON, Maddox | 7 | Viburnum Junior High School | 1:19.05 | Verified |
| 5 | BLANCHARD, Tristan | 8 | St. Clair Junior High School | 1:22.19 | Verified |
| 6 | MILLBURG, Terry | 7 | Newburg Middle School | 1:24.00 | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | RECTOR, Austin | 8 | St. James Middle School | 1:15.00 | Unverified: |
| 3 | REH, Pa | 7 | Missouri School for the Deaf MS | 1:10.18 | Verified |
| 4 | HART, Brate | 8 | Cuba Middle School | 1:13.39 | Verified |
| 5 | SUMMERFORD, Greyson | 7 | Vienna Middle School | 1:15.00 | Unverified: |
| 6 | CONWAY, Kasen | 7 | St. Clair Junior High School | 1:18.55 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SCHOLEMER, Maxton | 8 | Salem MS | 1:05.90 | Unverified: |
| 2 | CROCKER, Jc | 8 | Steelville Middle School | 1:05.23 | Unverified: |
| 3 | RUSSELL, Kevin | 7 | Vienna Middle School | 59.08 | Verified |
| 4 | STEFFE, Kolton | 8 | Newburg Middle School | 1:00.89 | Verified |
| 5 | CUNNINGHAM, Ryan | 8 | Salem MS | 1:05.58 | Verified |
| 6 | REEVES, Talan | 7 | Vienna Middle School | 1:08.90 | Verified |