Records
8 Advance: Top 3 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 40787 Evealyn Norris | Shoalhaven | 28.90Q | 2 | |
| 2 | 40784 Ada Houldsworth | Shoalhaven | 30.70Q | 1 | |
| 3 | 40758 Nevaeh Williams | Shoalhaven | 30.77Q | 2 | |
| 4 | 40883 Amarlie Ward | Shoalhaven | 31.45Q | 1 | |
| 5 | 25193 Amelia Elphick | Albion Park | 31.29Q | 2 | |
| 6 | 40873 Layla McGinn | St Georges Basin | 31.92Q | 1 | |
| 7 | 1548 Willow Dwyer | Nowra | 31.80q | 2 | |
| 8 | 40852 Isla Sargent | Shoalhaven | 33.88q | 2 | |
| 9 | 36232 Grace Greenacre | Milton-Ulladulla | 35.87 | 1 | |
| -- | 34799 Ayla York | Lake Illawarra | DNS | 1 |