| PL | Athlete | Team | Time | HPL | 
|---|---|---|---|---|
| 1 | SANOY, River | Athletics Victoria Track and Field Society | 50.38 | 2 (1) | 
| 2 | MA, Quan Ting Thomas | Vancouver Olympic Club | 51.46 | 2 (2) | 
| 3 | IVERSON, Thomas | Vancouver Thunderbirds | 51.86 | 2 (3) | 
| 4 | CHEUNG, Terence | Vancouver Olympic Club | 52.02 | 2 (4) | 
| 5 | CONSTABEL, Kai | Victoria Speed Project | 52.32 | 2 (5) | 
| 6 | LEVASSEUR, Samuel | West Vancouver Track & Field club | 53.57 | 1 (1) | 
| 7 | DE WIJZE, Jacob | Vancouver Olympic Club | 54.39 | 1 (2) | 
| 8 | KHELA, Gurveer | Universal Athletics Club | 54.40 | 1 (3) | 
| 9 | LAMYIN, Alexander | Ocean Athletics Track & Field Club | 54.59 | 2 (6) | 
| KETTLEWELL, Ryan | Athletics Victoria Track and Field Society | DNS | 
| HPL | Athlete | Team | Time | 
|---|---|---|---|
| 1 | LEVASSEUR, Samuel | West Vancouver Track & Field club | 53.57 | 
| 2 | DE WIJZE, Jacob | Vancouver Olympic Club | 54.39 | 
| 3 | KHELA, Gurveer | Universal Athletics Club | 54.40 | 
| KETTLEWELL, Ryan | Athletics Victoria Track and Field Society | DNS | 
| HPL | Athlete | Team | Time | 
|---|---|---|---|
| 1 | SANOY, River | Athletics Victoria Track and Field Society | 50.38 | 
| 2 | MA, Quan Ting Thomas | Vancouver Olympic Club | 51.46 | 
| 3 | IVERSON, Thomas | Vancouver Thunderbirds | 51.86 | 
| 4 | CHEUNG, Terence | Vancouver Olympic Club | 52.02 | 
| 5 | CONSTABEL, Kai | Victoria Speed Project | 52.32 | 
| 6 | LAMYIN, Alexander | Ocean Athletics Track & Field Club | 54.59 |