| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lam, Kylie L (14)
|
MRQNS |
1:15.20 |
1:15.52 |
0.32 |
| 1 |
Cagno, Lucia P (14)
|
MRLIE |
1:23.13 |
1:24.59 |
1.46 |
| 2 |
White, Shannon L (14)
|
MRLIE |
1:17.23 |
1:17.17 |
-0.06 |
| 2 |
Sinclair, Shea-Ann N (14)
|
MRLIE |
1:23.15 |
1:28.11 |
4.96 |
| 3 |
Corkery, Julia K (14)
|
MRMAKO |
1:18.03 |
1:17.49 |
-0.54 |
| 4 |
Bratton, Amelia E (14)
|
MRYFD |
1:17.93 |
1:19.67 |
1.74 |
| 5 |
Ireland, Josephine B (14)
|
MRRED |
1:19.64 |
1:19.70 |
0.06 |
| 6 |
Isakov, Adeline A (14)
|
MRBKR |
1:19.42 |
1:20.95 |
1.53 |
| 7 |
West, Vivienne (14)
|
MRLIE |
1:21.30 |
1:21.21 |
-0.09 |
| 8 |
Hoffmann, Vivienne A (14)
|
MRLIFE |
1:22.57 |
1:21.72 |
-0.85 |
| 9 |
Harkins, Morgan P (14)
|
MRLIE |
1:21.05 |
1:21.87 |
0.82 |
| 10 |
Fraczek, Veronica E (14)
|
MRLGAC |
1:22.43 |
1:23.12 |
0.69 |