Finals
| PL | Athlete | Yr. | Team | Time | Pts | HPL |
|---|---|---|---|---|---|---|
| 1 | FISCHER, Naejuan | SR | Webster Groves High School | 54.83 | 10 | 1 (1) |
| 2 | HENTGES, Peter | JR | DeSmet Jesuit High School | 55.30 | 8 | 2 (1) |
| 3 | CAVLOVICH, Casey | SR | Chaminade College Preparatory Sc | 55.53 | 6 | 1 (2) |
| 4 | POMMER, Andrew | SR | Oakville High School | 56.51 | 4 | 2 (2) |
| 5 | TRUE, Zac | Ladue Horton Watkins High School | 59.47 | 2 | 1 (3) | |
| 6 | BLAKEY, Luke | SR | Mehlville High School | 1:03.00 | 1 | 2 (3) |
| 7 | LONDAL, Franklin | JR | Mehlville High School | 1:08.61 | 1 (4) |
