| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Haywood, Isabella M (11)
|
NJBAC |
3:13.31 |
2:58.54 |
-14.77 |
| 1 |
Brown, Poppy J (12)
|
NJLIFE |
3:18.98 |
3:06.38 |
-12.60 |
| 2 |
Flanagan, Charlotte J (12)
|
NJLIFE |
3:08.62 |
3:03.41 |
-5.21 |
| 2 |
Sciaretta, Angelina M (11)
|
NJGSCY |
3:18.65 |
3:23.92 |
5.27 |
| 3 |
Geary, Samantha S (11)
|
NJBAC |
3:12.92 |
3:04.19 |
-8.73 |
| 3 |
Shah, Aarya A (12)
|
NJGSCY |
3:45.24 |
3:31.52 |
-13.72 |
| 4 |
Manis, Cecilia E (12)
|
NJLIFE |
3:16.19 |
3:08.56 |
-7.63 |
| 4 |
Chadha, Ahana (11)
|
NJGSCY |
3:44.81 |
3:36.95 |
-7.86 |
| 5 |
Arora, Anika (12)
|
NJGSCY |
3:15.39 |
3:12.49 |
-2.90 |
| 6 |
Xu, Emma A (12)
|
NJGSCY |
3:16.37 |
3:21.84 |
5.47 |