| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Benton Kosters | — | MWSCH | 53.41 | — | — |
| 1 | Selah Ross | — | MWLSS | 55.73 | — | — |
| 2 | Genevie Van Den Wymelenberg | — | MWHLA | 56.17 | — | — |
| 3 | Matilda Bowen | — | MWHUSK | 56.99 | — | — |
| 4 | Cora Dowling | — | MWMAC | 59.70 | — | — |
| 5 | Reeya Allam | — | MWGOAL | 59.96 | — | — |
| 6 | Eloise Giles | — | MWSCSC | 1:03.26 | — | — |
| 7 | Georgia Granstra | 8 | MWSCH | 1:03.68 | — | — |
| 8 | June Palu | — | MWSCSC | 1:06.05 | — | — |
| 2 | Sean Lin | — | MWACE | 1:06.72 | — | — |
| 9 | Nora Johnson | — | MWSO | 1:07.10 | — | — |
| 10 | Naomi Giles | — | MWSCSC | 1:07.54 | — | — |
| 11 | Hadley Fuller | — | MWHUSK | 1:09.36 | — | — |
| 12 | Adley-Grace McGraw | 8 | MWBT | 1:10.72 | — | — |
| 3 | John McCraney | — | MWSCSC | 1:19.24 | — | — |
| 4 | William Wake | — | MWSCSC | 1:24.22 | — | — |