Records
8 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 569 Zara Smith | Ku-Ring-Gai | 16.16Q | 3 | |
| 2 | 6773 Kira Turmanis | Manly Warringah | 16.48Q | 1 | |
| 3 | 6848 Lumi Munguia Kopra | Manly Warringah | 16.88Q | 2 | |
| 4 | 736 Ava Fartek | Ku-Ring-Gai | 17.13Q | 2 | |
| 5 | 21713 Rubylee Kurariki-D | Northern Districts | 17.48Q | 3 | |
| 6 | 315 Beatrice Corbett | Ku-Ring-Gai | 17.68Q | 1 | |
| 7 | 14809 Scarlett Bright | Mosman | 17.61q | 3 | |
| 8 | 7016 Lucy Pickup | Manly Warringah | 17.62q | 2 | |
| 9 | 21670 Amelia Davies | Northern Districts | 17.70 | 3 | |
| 10 | 902 Sophia Holt | Ku-Ring-Gai | 17.89 | 3 | |
| 11 | 6839 Elle ingram | Manly Warringah | 18.06 | 1 | |
| 12 | 425 Monica Kelly | Ku-Ring-Gai | 18.07 | 1 | |
| 13 | 6840 Saskia ingram | Manly Warringah | 18.11 | 2 | |
| 14 | 15251 Linnea Cisecki | Mosman | 18.45 | 1 | |
| 15 | 15183 Alexandra Mansfiel | Mosman | 18.77 | 2 | |
| -- | 15380 Myla Flinn | Hornsby | DNS | 3 | |
| -- | 15460 Krishaani Singaram | Hornsby | DNS | 1 | |
| -- | 15155 Sienna Young | Mosman | DNS | 2 |