Records
8 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 782 Caelan Drysdale | Ku-Ring-Gai | 12.93Q | 1 | |
| 2 | 6608 Jaxon Solomon | Manly Warringah | 13.00Q | 2 | |
| 3 | 14913 Charlie Baird-Petr | Mosman | 13.44Q | 3 | |
| 4 | 6685 Beau Riches | Manly Warringah | 13.53Q | 2 | |
| 5 | 231 William Saputra | Ku-Ring-Gai | 13.63Q | 3 | |
| 6 | 6700 Jacob Pieper | Manly Warringah | 14.25Q | 1 | |
| 7 | 15060 Joshua Yates | Mosman | 14.21q | 3 | |
| 8 | 21695 Archie Williams | Northern Districts | 14.23q | 3 | |
| 9 | 21647 Benjamin Schyvens | Northern Districts | 14.39 | 1 | |
| 10 | 394 Dylan SarenasAsnic | Ku-Ring-Gai | 14.68 | 3 | |
| 11 | 21684 Samuel Hart | Northern Districts | 14.98 | 1 | |
| 11 | 21597 Orson List | Northern Districts | 14.98 | 2 | |
| -- | 15595 Ethan Orr | Hornsby | DNS | 2 | |
| -- | 517 James Xin | Ku-Ring-Gai | DNS | 1 | |
| -- | 6427 Noah Berridge | Manly Warringah | DNS | 2 | |
| -- | 983 Sijun Ahn | Ku-Ring-Gai | DNS | 3 | |
| -- | 6680 Luca Escribano | Manly Warringah | DNS | 1 |