| Name | Age | Club | Time | Splits | ||
| 1 | Lauren Doughty | 15 | Dun City Aqu | 1:17.33 | 35.99 | 1:17.33 |
| 2 | Kirsten Duncan | 16 | St Thomas | 1:25.48 | 41.59 | 1:25.48 |
| 3 | Amy Robertson | 15 | Unattached | 1:25.97 | 40.86 | 1:25.97 |
| 4 | Emily Horne | 16 | Perth City | 1:27.27 | 39.88 | 1:27.27 |
| 5 | Kirsty Bell | 15 | M/Whall | 1:28.78 | 41.66 | 1:28.78 |
| -- | Stephanie Strang | 15 | Dun City Aqu | X1:31.68 | 42.77 | 1:31.68 |
| -- | Heather Ingram | 16 | St Thomas | X1:31.97 | 42.76 | 1:31.97 |