| Place | Bib | Athlete | School | Result | |
|---|---|---|---|---|---|
| 1 | 446 | Harry Smith | WOOD | 50.69 | |
| 2 | 421 | Jeff Rozenbilds | SPB | 51.88 | |
| 3 | 425 | Lachlan Sands | SMHC | 53.36 | |
| 4 | 169 | Ayden Colbourne | TRIN | 53.69 | |
| 5 | 327 | Lucas Mann | BSS | 56.96 | |
| 6 | 505 | Christian Whitwell | MERC | 58.69 | |
| 7 | 483 | Isaac Trewartha | SPB | 1:00.00 | |
| 8 | 142 | Declan Brunsgard | SPB | 1:05.30 |
