Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 6880 Isla Talaese | Manly Warringah | 10.41Q | 2 | |
| 2 | 6512 Lila Louis | Manly Warringah | 10.60Q | 1 | |
| 3 | 6498 Abbie Weir | Manly Warringah | 10.46Q | 2 | |
| 4 | 6738 Imogen Collins | Manly Warringah | 10.78Q | 1 | |
| 5 | 6477 Ruby Losurdo | Manly Warringah | 10.97Q | 1 | |
| 6 | 362 Sienna Fourie | Ku-Ring-Gai | 11.10Q | 2 | |
| 7 | 21638 Emma Hales | Northern Districts | 10.98q | 1 | |
| 8 | 14747 Arabella Anderson | Mosman | 11.18q | 2 | |
| 9 | 15391 Juliet Allan | Hornsby | 11.35 | 1 | |
| 10 | 117 Scarlett Docherty | Ku-Ring-Gai | 11.60 | 2 | |
| 11 | 21964 Lhakyi Dhongdue | Northern Districts | 11.67 | 1 | |
| 12 | 325 Halia Vu | Ku-Ring-Gai | 11.70 | 2 | |
| 13 | 15709 Phoebe de Carvalho | Hornsby | 11.75 | 1 | |
| 14 | 347 Zoe Schulz | Ku-Ring-Gai | 11.80 | 2 | |
| -- | 431 Edwina Mair | Ku-Ring-Gai | DNS | 1 |