| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Slepian, Sydney E (16)
|
NJMCSC |
1:10.23 |
1:11.63 |
1.40 |
| 2 |
Bowen, Bridget C (17)
|
NJMCSC |
1:12.17 |
1:14.33 |
2.16 |
| 3 |
Lee, Jeongyun (16)
|
NJMDY |
1:14.97 |
1:15.91 |
0.94 |
| 4 |
Dougherty, Sarah (16)
|
NJMAY |
1:14.12 |
1:18.77 |
4.65 |
| 5 |
Calianese, Nicole A (17)
|
NJBB |
1:11.62 |
1:21.46 |
9.84 |
| 6 |
Jin-Hendel, Annabelle (16)
|
NJMCSC |
1:22.33 |
1:21.55 |
-0.78 |
| 7 |
Schlackman, Olivia C (18)
|
NJBB |
1:14.13 |
1:21.65 |
7.52 |
| 8 |
Tang, Emily Y (15)
|
NJMCSC |
1:21.74 |
1:21.68 |
-0.06 |
| 9 |
Dougherty, Emma (16)
|
NJMAY |
1:17.70 |
1:22.96 |
5.26 |
| 10 |
Bailey, Cecilia (16)
|
NJMEY |
1:12.56 |
1:23.04 |
10.48 |
| 11 |
Tripurana, Nikita (15)
|
NJHACY |
1:14.94 |
1:23.16 |
8.22 |
| 12 |
D'Costa, Anya (16)
|
NJMAY |
1:12.53 |
1:23.36 |
10.83 |
| 13 |
Mouris, Miranda (15)
|
NJMEY |
1:16.98 |
1:24.41 |
7.43 |
| 14 |
Roake, Claire (15)
|
NJMDY |
1:19.18 |
1:36.68 |
17.50 |