| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | JACKSON, Jacob | SO | Father Tolton Regional Catholic | 54.57 | Verified |
| 4 | SCHLUETER, Cameron | SO | St. Louis University High School | 50.75 | Verified |
| 5 | ROEDER, Timothy | FR | Bishop DuBourg High School | 54.14 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | BRADLEY, Hunter | JR | Vianney High School | 50.16 | Verified |
| 2 | PIONTEK, Samuel | SR | Chaminade College Preparatory Sc | 45.67 | Verified |
| 3 | GUYTON, Joshua | SO | St. Mary's (St. Louis) High Scho | 44.30 | Verified |
| 4 | VALENTINE, Antonio | SR | St. Mary's (St. Louis) High Scho | 41.92 | Verified |
| 5 | HURLEY, Lucas | SO | Vianney High School | 43.94 | Verified |
| 6 | SAPP, Evan | SO | Father Tolton Regional Catholic | 44.54 | Verified |
| 7 | SUZUKI, Yoshitaka | SR | Chaminade College Preparatory Sc | 46.00 | Verified |