| Name | Age | School | Time | Splits | ||
| 1 | Abigail Queen | 12 | Perth City | 1:26.56 | 40.65 | 1:26.56 |
| 2 | Hannah Michie | 12 | Perth City | 1:28.30 | 41.81 | 1:28.30 |
| 3 | Fiona C Stewart | 12 | Blairgowrie | 1:33.87 | 40.77 | 1:33.87 |
| 4 | Sarah Oliphant | 12 | Claymores | 1:35.50 | 43.01 | 1:35.50 |
| 5 | Haylie Todd | 11 | Perth City | 1:35.82 | 41.97 | 1:35.82 |
| 6 | Chloe Cameron | 11 | Claymores | 1:38.80 | 44.16 | 1:38.80 |
| 7 | Victoria Merrouche | 12 | Blairgowrie | 1:41.79 | 44.57 | 1:41.79 |
| 8 | Ellie Burnett | 11 | Monifieth | 1:45.53 | 47.44 | 1:45.53 |
| 9 | Sophie Jenkins | 11 | Perth City | 1:45.75 | 47.97 | 1:45.75 |