| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herr, Emily A (9)
|
MRTVSC |
1:17.16 |
1:16.45 |
-0.71 |
| 2 |
Vargas, Mya (10)
|
NJCBGC |
1:23.08 |
1:18.39 |
-4.69 |
| 3 |
Racanello, Briana (10)
|
MRLIAC |
1:18.35 |
1:18.62 |
0.27 |
| 4 |
Han, Abigail N (10)
|
MRLIAC |
1:20.24 |
1:20.04 |
-0.20 |
| 5 |
Baldwin, Brooke A (10)
|
MRLIAC |
1:23.96 |
1:21.09 |
-2.87 |
| 6 |
Perez, Brianna M (10)
|
MRNYSA |
1:20.48 |
1:24.01 |
3.53 |
| 7 |
MacDonald, Addison L (10)
|
NEABF |
1:26.38 |
1:26.13 |
-0.25 |
| 8 |
Dimaculangan, Annabel (10)
|
MRTVSC |
1:25.64 |
1:27.06 |
1.42 |
| 9 |
Chun, April S (10)
|
MRLIAC |
1:32.95 |
1:28.25 |
-4.70 |
| 10 |
Lam, Makani (10)
|
MRLIAC |
1:26.71 |
1:28.42 |
1.71 |
| 11 |
Fried, Regan K (9)
|
MRLIAC |
1:28.32 |
1:29.20 |
0.88 |
| 12 |
Larsen, Sarah E (10)
|
MRLIAC |
1:26.89 |
1:29.46 |
2.57 |
| 13 |
Chyshkevych, Renata (10)
|
NJCBGC |
1:36.22 |
1:30.90 |
-5.32 |