Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 24213 Rory Warren | Wollongong City | 32.98Q | 2 | |
| 2 | 24230 Evelyn Barlow | Wollongong City | 33.47Q | 1 | |
| 3 | 38513 Emilie Ette | Northern Illawarra | 33.20Q | 2 | |
| 4 | 24412 Kenzie Hare | Wollongong City | 34.00Q | 1 | |
| 5 | 24190 Zara Humphries | Wollongong City | 34.79Q | 1 | |
| 6 | 24196 Ava Sullivan | Wollongong City | 36.50Q | 2 | |
| 7 | 24327 Elyse Bongiorno | Wollongong City | 36.70q | 1 | |
| 8 | 38626 Olympia Spruce | Northern Illawarra | 36.99q | 1 | |
| 9 | 26499 Grace Marsden | Bowral | 38.45 | 1 | |
| -- | 26607 Poppy Wilson Chris | Bowral | DNS | 2 | |
| -- | 24210 Freya McNeilage | Wollongong City | DNS | 2 |