Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Centre | Heats | H. |
|---|---|---|---|---|---|
| 1 | 27208 Connor Wirth | Sutherland | 28.61Q | 1 | |
| 2 | 15494 James MacGillivray | Eastern Suburbs | 28.69Q | 2 | |
| 3 | 26630 Krishna Inder | South Eastern | 29.28Q | 1 | |
| 4 | 2445 Lachlan Hennessy | Port Hacking | 29.69Q | 2 | |
| 5 | 27342 Jacob Milionis | Sutherland | 30.81Q | 1 | |
| 6 | 17537 Jayden Borg | Helensburgh | 31.79Q | 2 | |
| 7 | 15335 Hugo Clarke | Eastern Suburbs | 30.84q | 1 | |
| 8 | 17638 Harlan Taylor | Helensburgh | 31.61q | 1 | |
| 9 | 19338 Joshua Bartle | Inner West | 31.82 | 2 | |
| 10 | 15120 Felix Connor | Eastern Suburbs | 32.61 | 2 | |
| 11 | 24794 Kian Ottaviano | Randwick Botany | 32.96 | 2 | |
| 12 | 2285 Sebastian Ryder | Port Hacking | 33.85 | 1 | |
| 13 | 31188 Bastien Allaume | Randwick Botany | 34.25 | 1 |