| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pape, Caroline C (14)
|
NCTYDE |
17:48.11 |
18:05.23 |
17.12 |
| 2 |
Knorr, Emily S (13)
|
NCGCY |
18:35.30 |
18:21.19 |
-14.11 |
| 3 |
Pennington, Isabel K (14)
|
NCTYDE |
18:18.42 |
18:34.67 |
16.25 |
| 4 |
Knorr, Kathryn A (13)
|
NCGCY |
19:30.87 |
18:54.62 |
-36.25 |
| 5 |
Martin, Phoebe E (15)
|
NCTYDE |
19:47.02 |
19:01.18 |
-45.84 |
| 6 |
McChesney, Karly M (15)
|
NCTYDE |
18:52.45 |
19:02.38 |
9.93 |
| 7 |
Ciancanelli, MaKayla A (12)
|
NCGFSC |
18:46.60 |
19:08.73 |
22.13 |
| 8 |
Klosterman, Carstyn J (13)
|
NCTYDE |
|
19:13.68 |
- |
| 9 |
Grubb, Sarah E (14)
|
NCGCY |
20:38.46 |
19:43.44 |
-55.02 |
| 10 |
Kazel, Mia R (13)
|
NCGOLD |
24:00.65 |
20:25.69 |
-214.96 |
| 11 |
Jones, Paige L (15)
|
NCTYDE |
20:53.49 |
20:45.97 |
-7.52 |
| 12 |
Murphy, Ella M (14)
|
NCUN |
|
21:13.63 |
- |
| 13 |
Sorjonen, Taika A (14)
|
NCGCY |
|
23:15.22 |
- |