| Place | Bib | Athlete | State | Result | |
|---|---|---|---|---|---|
| 1 | 472 | Keegan Bell | ANSW | 48.33 | |
| 2 | 490 | Jordan Doris | ANSW | 48.90 | |
| 3 | 1229 | Phil Borg | VIC | 48.98 | |
| 4 | 1242 | Dilina De Silva | VIC | 49.57 | |
| 5 | 1413 | Luke Shaw | WA | 49.70 | |
| 6 | 866 | Mackenzie McIntyre | QLD | 50.26 | |
| 7 | 653 | Michael Graham | NZSS | 50.43 | |
| 8 | 587 | Jincan Li | CHN | 53.96 |
