Records
6 Advance: Top 2 Each Heat plus Next 2 Best Times
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | 15043 Isabella York | 10 | Newcastle City | 33.89Q | 2 |
| 2 | 15036 Jasmine Haji | 10 | Newcastle City | 33.97Q | 1 |
| 3 | 15038 Evie Ball | 10 | Newcastle City | 36.71Q | 1 |
| 4 | 15169 Neave Williams | 10 | Newcastle City | 38.64Q | 2 |
| 5 | 39410 Bella Corrigan | 10 | A.N.L | 37.25q | 1 |
| 6 | 15032 Orla Wilson | 10 | Newcastle City | 39.06q | 1 |
| 7 | 34311 Amarli Buckton | 10 | Port Stephens | 39.33 | 1 |
| 8 | 12833 Dakota Sainsbury | 10 | Medowie | 40.71 | 1 |
| -- | 15174 Ella Ferguson-jaqu | 10 | Newcastle City | DNS | 2 |
| -- | 39419 Eva Crossman | 10 | A.N.L | DNS | 2 |