Records
8 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 6434 James Atkins | Manly Warringah | 11.77Q | 3 | |
| 2 | 398 Maximillian Kyle | Ku-Ring-Gai | 12.08Q | 1 | |
| 3 | 6409 Deacon Pallpratt | Manly Warringah | 12.36Q | 2 | |
| 4 | 638 Riley Bradshaw | Ku-Ring-Gai | 12.53Q | 3 | |
| 5 | 7068 Taten Rogers | Manly Warringah | 12.54Q | 2 | |
| 6 | 6972 Parker Ball | Manly Warringah | 12.63Q | 1 | |
| 7 | 1018 Thomas Wickham | Ku-Ring-Gai | 12.69q | 2 | |
| 8 | 244 Callum Fawcett | Ku-Ring-Gai | 12.72q | 1 | |
| 9 | 15431 Caden Jiang | Hornsby | 12.92 | 1 | |
| 10 | 15245 Orlando Stewart | Mosman | 13.13 | 2 | |
| 11 | 6811 Kornchawal Benolie | Manly Warringah | 13.26 | 3 | |
| 12 | 21867 Liam McIntyre | Northern Districts | 13.40 | 3 | |
| 13 | 6424 Roman Dobson | Manly Warringah | 13.64 | 2 | |
| 14 | 659 James Ghali | Ku-Ring-Gai | 14.58 | 1 | |
| -- | 6560 Jake Wood | Manly Warringah | DNS | 1 | |
| -- | 1522 Dominic Lee | Barker | DNS | 2 | |
| -- | 15142 Harry Alexander | Mosman | DNS | 3 |