| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Chloe (11)
|
NJSCAR |
19:37.61 |
18:13.91 |
-83.70 |
| 2 |
Edge, Riley J (12)
|
NJSTAC |
20:33.28 |
19:05.92 |
-87.36 |
| 3 |
Ristad, Sabine A (12)
|
NJXCEL |
19:25.36 |
19:35.56 |
10.20 |
| 4 |
De Keukelaere, Ellie (11)
|
NJNJBL |
19:35.94 |
19:47.46 |
11.52 |
| 5 |
Jakubaszek, Megan H (12)
|
NJBB |
20:00.27 |
19:51.66 |
-8.61 |
| 6 |
Chen, Nora C (12)
|
NJXCEL |
20:03.32 |
19:53.56 |
-9.76 |
| 7 |
Enriquez, Alexandra A (12)
|
NJSVY |
20:08.36 |
20:19.51 |
11.15 |
| 8 |
Wong, Claire (11)
|
NJLIFE |
20:19.67 |
20:39.96 |
20.29 |
| 9 |
Kebrdle, Emily E (12)
|
NJBB |
20:12.37 |
20:40.29 |
27.92 |
| 10 |
Duffy, Elizabeth R (12)
|
NJMCSC |
21:04.29 |
20:50.44 |
-13.85 |
| 11 |
Benefield, Madison M (12)
|
NJLIFE |
20:44.26 |
20:56.07 |
11.81 |
| 12 |
Walker, Sophia L (12)
|
NJXCEL |
20:46.24 |
21:34.61 |
48.37 |
| 13 |
Castela, Emily H (11)
|
NJHQH |
20:46.19 |
22:44.31 |
118.12 |