| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
De Cokere, Louise (16)
|
NJPTAC |
1:09.45 |
1:10.42 |
0.97 |
| 2 |
Bass, Amelie R (15)
|
NJHACY |
1:17.33 |
1:19.48 |
2.15 |
| 3 |
Domantay, Madeleine E (16)
|
NJPTAC |
1:15.05 |
1:20.48 |
5.43 |
| 4 |
Fea, Brianna Z (16)
|
NJHACY |
1:19.87 |
1:20.57 |
0.70 |
| 5 |
Wong, Mia C (18)
|
NJPTAC |
1:16.27 |
1:21.76 |
5.49 |
| 6 |
Riera, Aila R (16)
|
NJJG |
1:18.65 |
1:22.34 |
3.69 |
| 7 |
Fei, Yiyang (15)
|
NJPTAC |
1:21.44 |
1:23.22 |
1.78 |
| 8 |
Coonathur, Harsha (17)
|
NJPPST |
1:22.99 |
1:26.89 |
3.90 |
| 9 |
Lee, Minhee (15)
|
NJPPST |
1:22.83 |
1:28.81 |
5.98 |
| 10 |
Agarwal, Suhani (15)
|
NJPTAC |
1:24.74 |
1:32.20 |
7.46 |
| 11 |
Leonhardt, Leyna C (15)
|
NJNJRC |
1:33.77 |
1:32.54 |
-1.23 |
| 12 |
Casler, Kira I (16)
|
NJPPST |
1:33.63 |
1:33.53 |
-0.10 |
| 13 |
Carroll, Ava M (16)
|
NJPTAC |
1:51.02 |
1:43.90 |
-7.12 |
| 14 |
Rosingana, Giulia P (15)
|
NJPTAC |
1:47.09 |
1:50.82 |
3.73 |
|
Partila, Alexandra k (15)
|
NJPTAC |
1:38.30 |
DQ |
- |
|
Lee, Rory E (17)
|
NJJG |
1:30.18 |
NS |
- |