| Pos | Name | Age | Club | Time | Splits | |
|---|---|---|---|---|---|---|
| 1 | Sadie Steven | 11 | EFPX | 1:22.17 | 40.14 | 1:22.17 |
| 2 | Sienna Goodfellow | 11 | EFPX | 1:26.94 | 42.50 | 1:26.94 |
| 3 | Lucy Bonnar | 11 | Trojan | 1:28.43 | 42.83 | 1:28.43 |
| 4 | Ruby Houston | 11 | Scorpions | 1:29.07 | 42.37 | 1:29.07 |
| 5 | Emily Lawson | 11 | EHMX | 1:33.28 | 43.84 | 1:33.28 |
| 6 | Hannah Milburn | 11 | EHMX | 1:38.56 | 46.18 | 1:38.56 |