Records
8 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 6643 Genevieve Dunnet | Manly Warringah | 13.23Q | 2 | |
| 2 | 6423 Phoebe Dobson | Manly Warringah | 13.37Q | 3 | |
| 3 | 6684 Amity Batchler | Manly Warringah | 13.79Q | 1 | |
| 4 | 6580 Isabella Wang | Manly Warringah | 14.74Q | 1 | |
| 5 | 698 Zoe Rudolph | Ku-Ring-Gai | 14.89Q | 2 | |
| 6 | 6493 Zalia Stevens | Manly Warringah | 15.38Q | 3 | |
| 7 | 7086 Violet Powell | Manly Warringah | 15.41q | 1 | |
| 8 | 15572 Willow Hickey | Hornsby | 15.46q | 3 | |
| 9 | 217 Claudia Birrell | Ku-Ring-Gai | 15.87 | 3 | |
| 10 | 15135 Natasha Shih | Mosman | 15.98 | 2 | |
| 11 | 21784 Claire Shuai | Northern Districts | 16.12 | 2 | |
| 12 | 471 Felicity Rhodes | Ku-Ring-Gai | 16.17 | 3 | |
| 13 | 7107 Lucy Wilson | Manly Warringah | 16.26 | 1 | |
| 14 | 15079 Chloe Simms | Mosman | 16.67 | 3 | |
| 15 | 6875 Freya Tilling | Manly Warringah | 17.55 | 2 | |
| -- | 422 Safina Burgess | Ku-Ring-Gai | DNS | 1 | |
| -- | 6611 Audrey Galea | Manly Warringah | DNS | 1 | |
| -- | 15170 Audrey Plowman | Mosman | DNS | 2 | |
| -- | 15249 Georgie Klaas | Mosman | DNS | 2 |