| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | DAVIS, Nathanael | FR | Affton High School | NT | Unverified: |
| 4 | DIALLO, Mawdo | SO | John Burroughs High School | 52.69 | Verified |
| 5 | SHELAR, Yash | FR | MICDS | 52.94 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HARRIS, Sebastian | FR | MICDS | 51.46 | Verified |
| 2 | WICKENHAUSER, Gavin | SO | John Burroughs High School | 48.33 | Verified |
| 3 | JELTES, Aeden | JR | Gateway Science Charter | 47.47 | Verified |
| 4 | BRADLEY, Hunter | JR | Vianney High School | 46.71 | Verified |
| 5 | KING, James | SO | Lutheran South High School | 46.99 | Verified |
| 6 | HACKETT, William | JR | Lutheran South High School | 47.63 | Verified |
| 7 | HULSEY, William | JR | Bayless High School | 50.70 | Verified |
| 8 | SCOTT, DeAndre | JR | Bayless High School | 52.44 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | CHAMBERS, Amir | SO | Lutheran North High School | 46.06 | Verified |
| 2 | FLEMING, Vic | SO | University City High School | 45.72 | Verified |
| 3 | HASTINGS, Joshua | FR | Lutheran North High School | 44.87 | Verified |
| 4 | PIONTEK, Samuel | SR | Chaminade College Preparatory Sc | 43.97 | Verified |
| 5 | GUYTON, Joshua | SO | St. Mary's (St. Louis) High Scho | 44.30 | Verified |
| 6 | FREEMON, J'Yon | FR | Lift for Life Academy Charter Hi | 45.47 | Verified |
| 7 | SUZUKI, Yoshitaka | SR | Chaminade College Preparatory Sc | 46.00 | Verified |
| 8 | EVANS, Jaidon | JR | STEAM Academy at McCluer South-B | 46.34 | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HOLMAN, Markel | SO | University City High School | 43.33 | Verified |
| 2 | HUNTER, Brian | SR | Hazelwood Central High School | 41.19 | Verified |
| 3 | BUTLER, Musa | SR | Whitfield High School | 40.75 | Verified |
| 4 | COLEMAN, Kelvin | JR | Hazelwood Central High School | 39.54 | Verified |
| 5 | HURLEY, Lucas | SO | Vianney High School | 39.97 | Verified |
| 6 | COURTNEY, Jackson | SR | Whitfield High School | 40.90 | Verified |
| 7 | VALENTINE, Antonio | SR | St. Mary's (St. Louis) High Scho | 41.92 | Verified |
| 8 | GREGORY, Marnell | JR | STEAM Academy at McCluer South-B | 43.88 | Unverified: |