| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thomas, Bridget (16)
|
NJWY |
17:29.03 |
17:27.37 |
-1.66 |
| 2 |
Sorrentino, Benjamin J (18)
|
NJRANY |
17:45.62 |
18:10.31 |
24.69 |
| 3 |
Iannucci, Nicolas (14)
|
NJGMY |
|
18:45.23 |
- |
| 4 |
Harkins, Nicolene A (13)
|
NJSVY |
19:20.77 |
19:01.51 |
-19.26 |
| 5 |
Keats-O'Connor, Sara A (18)
|
NJSAY |
20:44.76 |
19:01.59 |
-103.17 |
| 6 |
Kaminsky, Katherine A (14)
|
NJWFY |
18:32.99 |
19:19.09 |
46.10 |
| 7 |
Armstrong, Margot O (17)
|
NJSAY |
21:23.54 |
19:23.00 |
-120.54 |
| 8 |
Biegel, Ava K (14)
|
NJSAY |
20:19.90 |
19:27.75 |
-52.15 |
| 9 |
Petrie, Alexa G (16)
|
NJRANY |
18:44.35 |
19:30.38 |
46.03 |
| 10 |
Grosenstein, Madison G (17)
|
NJRANY |
20:06.48 |
20:05.16 |
-1.32 |