| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yang, Emma (11)
|
NJBAC |
1:18.99 |
1:19.70 |
0.71 |
| 2 |
Hartmann, Elisabeth M (12)
|
NJEEX |
1:20.41 |
1:19.90 |
-0.51 |
| 3 |
LU, Tracy X (12)
|
NJBAC |
1:19.50 |
1:21.22 |
1.72 |
| 4 |
Laynez, Alejandra S (11)
|
NJEAG |
1:20.92 |
1:21.76 |
0.84 |
| 5 |
Kolmodin, Caroline E (12)
|
NJBAC |
1:23.87 |
1:22.78 |
-1.09 |
| 6 |
Marquard, Nina P (11)
|
NJBAC |
1:24.79 |
1:25.35 |
0.56 |
| 7 |
Burton, Sophia M (11)
|
NJPPST |
1:24.40 |
1:28.01 |
3.61 |
| 8 |
Javellana, Corrine (11)
|
NJGARY |
1:24.09 |
1:28.77 |
4.68 |
| 9 |
Fernandez, Sophia (11)
|
NJEAG |
1:22.65 |
1:28.87 |
6.22 |
| 10 |
Kim, Claire H (11)
|
NJBAC |
1:23.87 |
1:29.34 |
5.47 |
| 11 |
Rewey, Caroline E (11)
|
NJBAC |
1:24.79 |
1:31.17 |
6.38 |
| 12 |
Crawford, Katelyn A (11)
|
NJBAC |
1:24.79 |
1:32.90 |
8.11 |