| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| -- | Kirsten Dowling | St Kevin's College | q |
| -- | Jamie Gregory | Craighead Diocesan School | q |
| -- | Sheree Hume | St Hilda's Collegiate | q |
| -- | Adela Knottenbell | Nelson College For Girls | q |
| -- | Megan Pullar | Gore High School | q |
| -- | Abbe Watson | Middleton Grange School | q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Abbe Watson | Middleton Grange School | 58.59 |
| 2 | Adela Knottenbell | Nelson College For Girls | 59.99 |
| 3 | Sheree Hume | St Hilda's Collegiate | 1:05.21 |
| 4 | Megan Pullar | Gore High School | 1:06.90 |
| 5 | Jamie Gregory | Craighead Diocesan School | 1:08.48 |
| -- | Kirsten Dowling | St Kevin's College | DNS |