| Name | Year | Club | Time | Splits | ||
| 1 | Ellie Finlayson | 95 | Dun City Aqu | 1:01.20 | 29.99 | 1:01.20 |
| 2 | Claire Dobson | 94 | Dun City Aqu | 1:01.21 | 30.32 | 1:01.21 |
| 3 | Hannah Ward | 93 | Dun City Aqu | 1:02.94 | 30.39 | 1:02.94 |
| 4 | Kirsty Young | 95 | M/Whall | 1:03.27 | 30.98 | 1:03.27 |
| 5 | Laura Muncey | 95 | Perth City | 1:04.33 | 31.45 | 1:04.33 |
| 6 | Caitlin Rees | 95 | Coast | 1:04.60 | 30.97 | 1:04.60 |