| Name | Age | Club | Time | Splits | ||
| 1 | Alex Bryce | 12 | Trojan | 1:13.92 | 36.65 | |
| 2 | Tiffany Bachelet | 13 | Warrender | 1:14.30 | 36.25 | |
| 3 | Aimee Adam | 12 | Carnegie | 1:14.65 | 36.59 | |
| 4 | Paige Aitchison | 13 | Aquanauts Li | 1:14.81 | 36.46 | |
| 5 | Kirsty Wilson | 12 | Fins | 1:16.78 | 37.32 | |
| 6 | Lucy Gray | 12 | Warrender | 1:19.21 | 37.91 | |