| Name | Age | Club | Time | Splits | ||
| 1 | Eloise Barber | 15 | Carnegie | 58.42 | 28.55 | 58.42 |
| 2 | Fiona Booth | 21 | Warrender | 59.24 | 28.40 | 59.24 |
| 3 | Kathryn Johnstone | 17 | Carnegie | 1:00.00 | 29.09 | 1:00.00 |
| 4 | Jennifer Davis | 16 | Carnegie | 1:02.18 | 29.48 | 1:02.18 |
| 5 | Sarah Chapman | 16 | Fins | 1:02.71 | 30.17 | 1:02.71 |
| 6 | Sally Wood | 17 | Warrender | 1:03.71 | 30.37 | 1:03.71 |