| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lin, Alison (14)
|
MAPAAC |
18:05.09 |
18:30.31 |
25.22 |
| 2 |
Jackett, Paige E (14)
|
MAPFY |
18:39.74 |
19:03.21 |
23.47 |
| 3 |
Fahrney, Caroline F (13)
|
MAPAAC |
18:34.58 |
19:13.97 |
39.39 |
| 4 |
Ellis, Rileigh A (16)
|
MAPAAC |
|
19:18.56 |
- |
| 5 |
Fahrney, Elizabeth L (16)
|
MAPAAC |
19:19.49 |
19:23.04 |
3.55 |
| 6 |
Cerbone, Mary S (17)
|
MAPFY |
20:06.21 |
19:32.57 |
-33.64 |
| 7 |
Donham, Emily C (16)
|
MALVA |
19:20.83 |
19:56.59 |
35.76 |
| 8 |
Szerencsits, Olivia S (11)
|
MAPAAC |
20:02.33 |
20:16.81 |
14.48 |
| 9 |
Svetz, Amanda K (14)
|
MAPAAC |
20:23.25 |
20:17.44 |
-5.81 |
| 10 |
Janis, Emeline M (14)
|
MAPAAC |
20:34.96 |
20:58.91 |
23.95 |
| 11 |
Bubser, Kelci L (12)
|
MAPAAC |
21:20.10 |
21:00.60 |
-19.50 |
| 12 |
Piacenti, Mackenzie (14)
|
MAPFY |
23:32.29 |
22:41.15 |
-51.14 |