| Name | Age | Club | Time | Splits | ||
| 1 | Katie Phillips | 14 | Websters HS | 1:15.60 | 35.62 | 1:15.60 |
| 2 | Heather Ingram | 13 | Monifieth HS | 1:16.88 | 36.03 | 1:16.88 |
| 3 | Reagan Doig | 13 | Perth Ac | 1:23.49 | 38.94 | 1:23.49 |
| 4 | Zoe Wilmshurst | 14 | Websters HS | 1:26.44 | 38.66 | 1:26.44 |
| 5 | Erin Cummins | 13 | Perth Gram | 1:26.97 | 40.11 | 1:26.97 |