| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Villacis, Gracie C (12)
|
NJTWST |
1:12.50 |
1:12.17 |
-0.33 |
| 2 |
Tse, Sylvia (11)
|
NJWAVE |
1:14.80 |
1:13.02 |
-1.78 |
| 3 |
Pavlidis, Kostantina (12)
|
NJMYM |
1:17.01 |
1:14.52 |
-2.49 |
| 4 |
Dow, Annaliese M (12)
|
NJBAC |
1:16.71 |
1:17.57 |
0.86 |
| 5 |
Lee, Giselle (11)
|
NJMALT |
1:18.75 |
1:19.27 |
0.52 |
| 6 |
Zhikharev, Alexandra (11)
|
NJWAVE |
1:18.79 |
1:19.47 |
0.68 |
| 7 |
Lee, Syon (12)
|
NJMALT |
1:18.10 |
1:20.09 |
1.99 |
| 8 |
Hekemian, Emma J (12)
|
NJRY |
1:18.83 |
1:20.58 |
1.75 |
| 9 |
Guzman, Isabella R (12)
|
NJMYM |
1:20.84 |
1:21.17 |
0.33 |
| 10 |
Gomez, Olivia S (11)
|
NJRY |
1:17.64 |
1:22.29 |
4.65 |
| 11 |
Singh, Sargi (12)
|
NJRY |
1:18.86 |
1:22.40 |
3.54 |
| 12 |
Murphy-Braunstein, Rose A (12)
|
NJMYM |
1:21.08 |
1:23.53 |
2.45 |