| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Moore, Alexandra G (10)
|
CTCPAC |
1:30.37 |
1:23.52 |
-6.85 |
| 2 |
Panamserkhang, Tenzin P (9)
|
MRLGAC |
1:38.99 |
1:25.87 |
-13.12 |
| 3 |
Pusing, Ava Y (9)
|
MRLGAC |
1:52.71 |
1:26.22 |
-26.49 |
| 4 |
Moore, Bridget E (10)
|
CTCPAC |
|
1:31.47 |
- |
| 5 |
Petriccione, Melania C (10)
|
MRRA |
1:34.32 |
1:33.40 |
-0.92 |
| 6 |
Horiuchi, Naomi Z (10)
|
MRLGAC |
1:43.38 |
1:33.76 |
-9.62 |
| 7 |
Castano, Isabella H (10)
|
MRAGUA |
1:40.99 |
1:33.82 |
-7.17 |
| 8 |
Lateng, Losel L (10)
|
MRLGAC |
1:37.59 |
1:34.10 |
-3.49 |
| 9 |
Bice, Ciara M (10)
|
MRQNS |
1:34.61 |
1:35.00 |
0.39 |
| 10 |
Solomon, Mirabel K (10)
|
MRRA |
1:39.58 |
1:36.27 |
-3.31 |
| 11 |
Parker, Madison E (10)
|
CTCPAC |
1:52.44 |
1:55.41 |
2.97 |