| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Palei, Nicole (10)
|
MRMPNY |
1:25.99 |
1:20.96 |
-5.03 |
| 2 |
Medina, Ava M (10)
|
MRCOND |
1:22.14 |
1:21.66 |
-0.48 |
| 3 |
Early, Lola J (10)
|
MRMAKO |
1:35.89 |
1:27.40 |
-8.49 |
| 4 |
Kozlowski, Kenna (9)
|
MRMAKO |
1:27.66 |
1:28.14 |
0.48 |
| 5 |
Christakos, Ileana S (10)
|
MRCOND |
1:37.88 |
1:29.14 |
-8.74 |
| 6 |
Ramoino, Sophia P (10)
|
MRRA |
1:39.67 |
1:32.17 |
-7.50 |
| 7 |
Lambros, Alethea M (10)
|
MRRA |
1:49.64 |
1:32.99 |
-16.65 |
| 8 |
Bowden, Sara (10)
|
MRCOND |
1:44.03 |
1:33.75 |
-10.28 |
| 9 |
Cho, Katie (10)
|
MRCOND |
1:38.63 |
1:34.19 |
-4.44 |
| 10 |
Vasquez, Valentina S (10)
|
MRCOND |
1:45.59 |
1:37.10 |
-8.49 |
| 11 |
Callaghan, Brigid M (10)
|
MRBGNW |
1:43.25 |
1:40.50 |
-2.75 |
|
Roudnitsky, Julia (9)
|
MRMPNY |
1:38.11 |
DQ |
- |