| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sacranie, Jaina A (13)
|
MRMAKO |
1:13.20 |
1:11.33 |
-1.87 |
| 1 |
Martinovic, Nadja (14)
|
MRLGAC |
1:16.39 |
1:16.21 |
-0.18 |
| 2 |
Grygorczuk, Julia (14)
|
MRLGAC |
1:16.27 |
1:17.63 |
1.36 |
| 3 |
Ketchatcham, Sarah C (13)
|
MRCAS |
1:14.44 |
1:23.07 |
8.63 |
| 4 |
Brydon, Maia (13)
|
MRRED |
1:27.07 |
1:25.77 |
-1.30 |
| 5 |
Rodriguez, Patricia A (14)
|
MRKBM |
1:32.69 |
1:29.81 |
-2.88 |
| 6 |
DelValle, Bianca C (13)
|
MRRED |
1:24.03 |
1:30.09 |
6.06 |
| 7 |
Brandon, Satya (13)
|
MRMAKO |
1:40.93 |
1:32.26 |
-8.67 |
| 8 |
Mahabir, Nia E (13)
|
MRHES |
1:53.83 |
1:45.01 |
-8.82 |
|
Baker, Zoe A (14)
|
MRUNAP |
1:12.78 |
DQ |
- |