| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jahn, Ava S (12)
|
NJPAA |
1:03.46 |
1:03.67 |
0.21 |
| 2 |
Dera, Megan E (12)
|
NJPAA |
1:03.88 |
1:05.25 |
1.37 |
| 3 |
Alfajora, Clareese D (11)
|
NJPAA |
1:06.94 |
1:07.39 |
0.45 |
| 4 |
Gershanok, Marta E (12)
|
NJWAVE |
1:09.66 |
1:12.28 |
2.62 |
| 5 |
Mitsuhori, An (11)
|
NJWAVE |
1:15.31 |
1:14.22 |
-1.09 |
| 6 |
Brown, Ana M (11)
|
NJPAA |
1:15.31 |
1:17.08 |
1.77 |
| 7 |
Xie, Alice G (11)
|
NJPAA |
1:17.51 |
1:17.28 |
-0.23 |
| 8 |
Cojoc, Hannah (11)
|
NJWAVE |
1:17.48 |
1:17.60 |
0.12 |
| 9 |
Hamilton, Ava K (12)
|
NJPAA |
1:16.98 |
1:18.99 |
2.01 |
| 10 |
Lan, Emelia (11)
|
NJWAVE |
1:20.77 |
1:19.92 |
-0.85 |
| 11 |
Singh, Aashna (11)
|
NJPAA |
1:19.20 |
1:20.85 |
1.65 |
| 12 |
Chevres, Celina J (11)
|
NJPAA |
1:39.83 |
1:33.81 |
-6.02 |
|
Jeong, Jiwon (12)
|
NJACE |
1:16.00 |
DQ |
- |
|
Rodriguez, Natalia A (12)
|
NJPAA |
1:27.41 |
DQ |
- |