| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | Andrew YBARRA | MARSHALL HIGH SCHOOL | 1:03.44 | Verified |
| 2 | Matthew POMERENKE | MARSHALL HIGH SCHOOL | 1:00.93 | Verified |
| 3 | Vince BOWEN | CENTER HIGH SCHOOL | 58.99 | Verified |
| 4 | Blake COX | NEVADA HIGH SCHOOL | 57.07 | Verified |
| 5 | Parker MORRISON | PLEASANT HILL HIGH SCHOOL | 58.04 | Verified |
| 6 | Jordan KENYON | PLEASANT HILL HIGH SCHOOL | 59.34 | Verified |
| 7 | Sheabiyon LOVE | CENTER HIGH SCHOOL | 1:01.89 | Verified |
| 8 | Jace REYNOLDS | HARRISONVILLE HIGH SCHOOL | NT | Unverified: |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | Malachi ROSS | GRANDVIEW HIGH SCHOOL | 56.31 | Verified |
| 2 | Ali EL-AMIN | RAYTOWN SOUTH HIGH SCHOOL | 53.40 | Verified |
| 3 | Warner SHORT | WARRENSBURG HIGH SCHOOL | 52.86 | Verified |
| 4 | Griouard WEDDINGTON | GRANDVIEW HIGH SCHOOL | 51.70 | Verified |
| 5 | Shaun MCMURPHY | WARRENSBURG HIGH SCHOOL | 52.36 | Verified |
| 6 | Najee SIMPSON | RAYTOWN SOUTH HIGH SCHOOL | 53.19 | Verified |
| 7 | Adysen ENG | HARRISONVILLE HIGH SCHOOL | 54.57 | Verified |
| 8 | Brayden KOENIG | NEVADA HIGH SCHOOL | 57.05 | Verified |