| Name | Age | Club | Time | Splits | ||
| 1 | Claire Woolley | 17 | Warrender | 1:13.64 | 36.27 | 1:13.64 |
| 2 | Holly Ross | 16 | Aquanauts Li | 1:14.54 | 37.08 | 1:14.54 |
| 3 | Gillian Etherington | 16 | Carnegie | 1:15.11 | 36.55 | 1:15.11 |
| 4 | Katrina Lund | 17 | Unattached | 1:15.80 | 37.55 | 1:15.80 |
| 5 | Sarah Clapham | 16 | Warrender | 1:17.01 | 37.56 | 1:17.01 |
| -- | Megan J Hope | 16 | Aquanauts Li | DQ | ||