| Name | Age | Club | Time | Splits | ||
| 1 | Sarah Kelly | 15 | Dun City Aqu | 1:00.60 | 29.57 | 1:00.60 |
| 2 | Libby Francis | 15 | Monifieth | 1:02.04 | 29.89 | 1:02.04 |
| 3 | Megan Finlayson | 15 | Dun City Aqu | 1:02.14 | 29.73 | 1:02.14 |
| 4 | Louise Kennedy | 15 | Dun City Aqu | 1:03.19 | 30.58 | 1:03.19 |
| 5 | Marianne Dobson | 16 | Dun City Aqu | 1:07.18 | 31.96 | 1:07.18 |
| 6 | Heather Booth | 16 | Perth City | 1:07.48 | 31.99 | 1:07.48 |
| Name | Age | Club | Time | Splits | ||
| 1 | Shona Booth | 18 | Perth City | 1:00.49 | 29.08 | 1:00.49 |