Records
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | Charlotte O'Young | Northern Suburbs | 17.20Q | 1 | |
| 2 | Evie Truong | Nth Rocks Carlin | 17.27Q | 2 | |
| 3 | Georgia Gryst | Nth Rocks Carlin | 17.33Q | 2 | |
| 4 | Armani Mariam | Parramatta | 17.69Q | 1 | |
| 5 | Alaere Cocodia | Parramatta | 18.16Q | 1 | |
| 6 | Alma Tai | Northern Suburbs | 18.35Q | 2 | |
| 7 | Lani Nicol | Ryde | 18.50q | 1 | |
| 8 | Amelie Germon | Northern Suburbs | 18.58q | 2 | |
| 9 | Rafaiella Barnett-Palmer | Ryde | 18.64 | 2 | |
| 10 | Olivia Moala | Ryde | 18.67 | 1 | |
| 11 | Ananshi Chopra | Northern Suburbs | 19.65 | 2 | |
| -- | Lelea Bergsson | Ryde | DNS | 1 | |
| -- | Liyaana Karunaratne | Cherrybrook | DNS | 2 | |
| -- | Myra Sabherwal | Cherrybrook | DNS | 1 |