| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Emily J (12)
|
NJSCAR |
18:49.53 |
18:27.02 |
-22.51 |
| 2 |
Hurst, Kate M (12)
|
NJSCAR |
18:57.43 |
18:29.27 |
-28.16 |
| 3 |
Lee, Susie (12)
|
NJSCAR |
19:26.52 |
19:01.74 |
-24.78 |
| 4 |
Somers, Alexandra C (12)
|
NJHCY |
20:24.26 |
19:27.38 |
-56.88 |
| 5 |
Kim, Beatrix (12)
|
NJXCEL |
19:16.89 |
19:28.03 |
11.14 |
| 6 |
Kim, Chloe (11)
|
NJSCAR |
20:15.40 |
19:37.61 |
-37.79 |
| 7 |
Pestrichelli, Kathleen D (12)
|
NJSVY |
20:43.40 |
20:08.52 |
-34.88 |
| 8 |
De Keukelaere, Ellie (11)
|
NJNJBL |
20:58.66 |
20:20.50 |
-38.16 |
| 9 |
Murray, Caroline C (12)
|
NJCAT |
20:49.25 |
20:20.97 |
-28.28 |
| 10 |
Mohanram, Ella (12)
|
NJSCAR |
20:21.35 |
20:24.58 |
3.23 |
| 11 |
Eldridge, Dylann (12)
|
NJOCY |
19:59.35 |
20:42.51 |
43.16 |
| 12 |
Ross, Kailey E (12)
|
NJCAT |
21:23.59 |
20:48.78 |
-34.81 |
| 13 |
Ristad, Sabine A (11)
|
NJXCEL |
20:55.63 |
20:51.52 |
-4.11 |
| 14 |
Edge, Riley J (11)
|
NJSTAC |
21:16.58 |
21:02.56 |
-14.02 |
| 15 |
Culbert, Kaitlyn A (12)
|
NJOCY |
21:06.57 |
21:17.18 |
10.61 |
| 16 |
Gao, Emily (12)
|
NJWY |
21:07.76 |
21:52.30 |
44.54 |