| Name | Age | Club | Time | Splits | ||
| 1 | Sarah Kelly | 15 | Dun City Aqu | 1:09.34 | 34.57 | 1:09.34 |
| 2 | Megan Finlayson | 15 | Dun City Aqu | 1:11.54 | 35.05 | 1:11.54 |
| 3 | Libby Francis | 15 | Monifieth | 1:12.70 | 35.85 | 1:12.70 |
| 4 | Marianne Dobson | 16 | Dun City Aqu | 1:13.97 | 36.31 | 1:13.97 |
| 5 | Heather Booth | 16 | Perth City | 1:17.47 | 37.63 | 1:17.47 |
| 6 | Louise Taylor | 15 | St Thomas | 1:19.14 | 38.11 | 1:19.14 |