| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vetkoetter, Clare M (17)
|
NTTFA |
16:45.00 |
17:48.90 |
63.90 |
| 2 |
Morgan, Alexis N (16)
|
NTTFA |
17:51.49 |
17:59.16 |
7.67 |
| 3 |
Henderson, Isabelle E (14)
|
NTTFA |
17:57.13 |
18:03.49 |
6.36 |
| 4 |
Ferrara Fontes, Daniela (13)
|
NTTFA |
18:01.51 |
18:04.91 |
3.40 |
| 5 |
Henderson, Filippa E (17)
|
NTTFA |
17:53.68 |
18:06.84 |
13.16 |
| 6 |
Addison, Eden L (14)
|
NTTFA |
18:27.70 |
18:21.56 |
-6.14 |
| 7 |
Marshall, Adison L (18)
|
NTTFA |
17:52.66 |
18:49.37 |
56.71 |
| 8 |
Ware, Sophia G (14)
|
NTTFA |
18:24.98 |
19:03.07 |
38.09 |
| 9 |
Scherman, Devin L (17)
|
NTTFA |
18:11.43 |
19:24.69 |
73.26 |
| 10 |
Kipe, Channing O (17)
|
NTTFA |
18:33.13 |
19:37.29 |
64.16 |
| 11 |
Bourgeois, Elizabeth A (13)
|
NTTFA |
21:41.44 |
19:41.92 |
-119.52 |
| 12 |
Petrollese, Ashley L (13)
|
NTTFA |
19:42.41 |
19:45.40 |
2.99 |