Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 327 Kylian Huang | Ku-Ring-Gai | 9.03Q | 1 | |
| 2 | 872 Hayden Halvorsen | Ku-Ring-Gai | 9.32Q | 2 | |
| 3 | 724 Joshua Veasey | Ku-Ring-Gai | 9.11Q | 1 | |
| 4 | 6513 Oscar Louis | Manly Warringah | 9.60Q | 2 | |
| 5 | 7040 Hamish Windsham | Manly Warringah | 9.48Q | 1 | |
| 6 | 14898 Carter Hicks | Mosman | 9.64Q | 2 | |
| 7 | 685 Aaron Li | Ku-Ring-Gai | 9.61q | 1 | |
| 8 | 580 James Owili | Ku-Ring-Gai | 9.66q | 2 | |
| 9 | 14942 Austin Packwood | Mosman | 9.70 | 2 | |
| 10 | 15086 Zachary Chen | Mosman | 9.86 | 1 | |
| 11 | 6557 James McDermott | Manly Warringah | 9.98 | 1 | |
| 12 | 6461 Noah Ferri | Manly Warringah | 10.00 | 2 | |
| 13 | 6986 Tyde Moloney | Manly Warringah | 11.18 | 2 | |
| 14 | 21956 Hudson Wiles | Northern Districts | 11.57 | 2 | |
| -- | 21884 Jack Baker | Northern Districts | DNS | 1 |