| Name | Age | Club | Time | Splits | ||
| 1 | Libby Francis | 15 | Monifieth | 1:05.89 | 31.13 | 1:05.89 |
| 2 | Nicola Shand | 16 | Coast | 1:08.76 | 32.18 | 1:08.76 |
| 3 | Shona Booth | 17 | Perth City | 1:09.46 | 32.16 | 1:09.46 |
| 4 | Sarah Chapman | 15 | Fins | 1:10.99 | 33.12 | 1:10.99 |
| 5 | Ailsa Hill | 16 | Coast | 1:13.83 | 34.57 | 1:13.83 |
| 6 | Megan Finlayson | 15 | Dun City Aqu | 1:14.30 | 34.44 | 1:14.30 |