Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 366 Stephen Harvey | Ku-Ring-Gai | 10.59Q | 1 | |
| 2 | 326 Kenneth Huang | Ku-Ring-Gai | 10.70Q | 2 | |
| 3 | 255 Bailey Vassella | Ku-Ring-Gai | 10.93Q | 2 | |
| 4 | 6458 Jack Vukovic | Manly Warringah | 11.31Q | 1 | |
| 5 | 6835 Coby James | Manly Warringah | 11.38Q | 2 | |
| 5 | 6614 Jacob Alexander | Manly Warringah | 11.38Q | 2 | |
| 7 | 6514 Sonny Farrell | Manly Warringah | 11.71Q | 1 | |
| 8 | 6480 Kai Cocks | Manly Warringah | 11.82q | 1 | |
| 9 | 977 Zachary Philips | Ku-Ring-Gai | 12.12 | 2 | |
| 10 | 557 Louis Jeloscek | Ku-Ring-Gai | 12.22 | 2 | |
| 11 | 21747 Ryan Regmi | Northern Districts | 12.78 | 1 | |
| -- | 15215 Flynn Hanson | Mosman | DNS | 1 |