Records
| Place | Name | Age | Centre | Prelims | H. |
|---|---|---|---|---|---|
| 1 | Chloe Williams | Werrington | 28.12Q | 2 | |
| 2 | Aliyah Adjei | Nepean | 29.15Q | 1 | |
| 3 | Ella Long | Werrington | 29.35Q | 2 | |
| 4 | Hayley Milson | Emu Plains | 29.77Q | 1 | |
| 5 | Phoebe Morris | Werrington | 29.95q | 1 | |
| 6 | Bonnie Clark | Emu Plains | 29.96q | 1 | |
| 7 | Sarah Galea | Cranebrook | 30.52q | 2 | |
| 8 | Alexis Rowan | Emu Plains | 31.46q | 2 | |
| 9 | Ava Ilijeski | Emu Plains | 31.58 | 2 | |
| 10 | Effy Bachtis | Emu Plains | 32.75 | 2 | |
| 11 | Summer Amituanai | Emu Plains | 32.86 | 1 | |
| 12 | Katherine Raniga | Emu Plains | 33.61 | 1 | |
| 13 | Zoe Mitchell | Nepean | 34.03 | 1 | |
| 14 | Taylor Auld | Emu Plains | 34.20 | 1 | |
| -- | Taya Brewer | Colyton St Clair | DNS | 2 | |
| -- | Kimora Talivaa | Werrington | DNS | 2 |