| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | CUEVAS, JUAN | SR | Dexter High School | NT | Unverified: |
| 4 | LUNSFORD, Triston | SR | Fredericktown High School | 1:03.23 | Verified |
| 5 | BELL, Cameron | SO | Dexter High School | NT | Unverified: |
| 6 | GARDNER, Jack | JR | Notre Dame (Cape Girardeau) High | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | ABRAMS, Ben | SO | Doniphan High School | 1:01.04 | Verified |
| 2 | STIEGEMEYER, Aiden | SO | Notre Dame (Cape Girardeau) High | 59.34 | Verified |
| 3 | ANDERSON, Lamarkus | 9 | Central (New Madrid County) High | 57.51 | Verified |
| 4 | CLUBBS, Ethan | SR | Doniphan High School | 56.84 | Verified |
| 5 | PROPST, Hayden | JR | Kelly High School | 57.15 | Verified |
| 6 | BIRK, Adam | SR | Kelly High School | 58.68 | Verified |
| 7 | WILLIS, Jordan | JR | Central (Park Hills) High School | 59.50 | Verified |
| 8 | ALEXANDER, Damiyon | 9 | Central (New Madrid County) High | 1:02.00 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MILLAN, Oscar | 9 | Fredericktown High School | 55.87 | Verified |
| 2 | SMITH, Kaden | JR | Ste. Genevieve High School | 54.17 | Verified |
| 3 | HENSON, Kylan | JR | Kennett High School | 53.43 | Verified |
| 4 | ERBLAND, Sam | JR | Arcadia Valley High School | 52.46 | Verified |
| 5 | BRABHAM, Luke | JR | Potosi High School | 52.94 | Verified |
| 6 | MCCALLISTER, Atreyu | SO | Arcadia Valley High School | 53.74 | Verified |
| 7 | BUTCHER, Ayden | SR | Ste. Genevieve High School | 55.25 | Verified |
| 8 | MOSIER, Gage | SR | Potosi High School | 56.62 | Verified |