| Place | Bib | Athlete | State | Result | |
|---|---|---|---|---|---|
| 1 | 1403 | Jett Grundy | NQ | 47.19 | |
| 2 | 2065 | Samuel Elvey | VIC | 47.95 | |
| 3 | 1783 | Jesuye Doherty | SA | 48.99 | |
| 4 | 1295 | Benjamin Iveson | NSW | 49.28 | |
| 5 | 2104 | Luke Mensink | VIC | 49.38 | |
| 6 | 2258 | Jayden Moss | WA | 50.02 | |
| 7 | 2257 | Declan Morrison | WA | 50.53 | |
| 1084 | Hayden Todd | ACT | DNS |
