Records
8 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Centre | Heats | H. |
|---|---|---|---|---|---|
| 1 | 16967 Maiya Hewitt | Kiama | 25.51Q | 3 | |
| 2 | 32772 Matilda Harrison | Ku-Ring-Gai | 25.57Q | 2 | |
| 3 | 11983 Elysse Diep | Bankstown Aths | 26.15Q | 1 | |
| 4 | 18425 Keira Carlson | Macquarie Hunter | 25.66Q | 2 | |
| 5 | 31049 Indii Bower | Campbelltown | 25.90Q | 3 | |
| 6 | 1464 Arabella Lewis | Ku-Ring-Gai | 26.31Q | 1 | |
| 7 | 3454 Hannah Shortland | Campbelltown | 25.92q | 3 | |
| 8 | 7640 Molly Rayment | Eastern Suburbs | 25.93q | 2 | |
| 9 | 23206 Georgiana Giatsios | South Eastern | 26.45 | 2 | |
| 10 | 1981 Angelina Burford | Hills District | 26.66 | 3 | |
| 11 | 4712 Kaitlinn Dunne | Manly Warringah | 26.89 | 1 | |
| 12 | 16455 Eden Herring | Hornsby | 26.91 | 1 | |
| 13 | 10284 Dulari Choudhury | Revesby Workers | 27.18 | 1 | |
| 14 | 24362 Leeara Elford | Wauchope | 27.22 | 1 | |
| 15 | 17568 Dallyce Rose | Kurrajong Bilpin | 27.38 | 3 | |
| 16 | 18366 Marli Brunckhorst | Macquarie Hunter | 27.42 | 3 | |
| 17 | 38703 Anisha Hira | Wollongong City | 27.47 | 2 | |
| 18 | 12377 Gabriella Baker | Blacktown | 27.51 | 3 | |
| 19 | 33245 Laura Chudleigh | Forbes | 27.52 | 2 | |
| 20 | 11871 Steph Blake | Armidale | 27.53 | 1 | |
| 21 | 16247 Scarlett Dunne | Helensburgh | 28.05 | 1 | |
| -- | 3391 Taleena Boseski | Campbelltown | DNS | 3 | |
| -- | 4518 Tayah Rubes | Manly Warringah | DNS | 2 | |
| -- | 26222 Dana Gonzalez | Wyong | DNS | 2 |