Records
9 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 6880 Isla Talaese | Manly Warringah | 14.65Q | 2 | |
| 2 | 6512 Lila Louis | Manly Warringah | 15.01Q | 3 | |
| 3 | 6498 Abbie Weir | Manly Warringah | 15.42Q | 1 | |
| 4 | 6738 Imogen Collins | Manly Warringah | 15.07Q | 3 | |
| 5 | 6689 Abigail Maher | Manly Warringah | 15.65Q | 1 | |
| 6 | 15527 Nalinga Albino | Hornsby | 15.78Q | 2 | |
| 7 | 21638 Emma Hales | Northern Districts | 15.55q | 3 | |
| 8 | 15217 Ophelia Collie | Mosman | 15.85q | 1 | |
| 8 | 15391 Juliet Allan | Hornsby | 15.85q | 2 | |
| 10 | 117 Scarlett Docherty | Ku-Ring-Gai | 15.95 | 3 | |
| 11 | 551 Zara Higlett | Ku-Ring-Gai | 16.08 | 1 | |
| 12 | 998 Mandela Harada | Ku-Ring-Gai | 16.57 | 3 | |
| 13 | 15709 Phoebe de Carvalho | Hornsby | 16.62 | 2 | |
| 14 | 15154 Evie Francis | Mosman | 16.69 | 2 | |
| 15 | 21612 Isla Sharkey | Northern Districts | 16.85 | 1 | |
| 16 | 14938 Stefanie Phillipou | Mosman | 16.98 | 2 | |
| 17 | 21845 Paityn Hawes | Northern Districts | 17.75 | 2 | |
| -- | 431 Edwina Mair | Ku-Ring-Gai | DNS | 3 | |
| -- | 347 Zoe Schulz | Ku-Ring-Gai | DNS | 1 | |
| -- | 14747 Arabella Anderson | Mosman | DNS | 1 |