| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lofland, Maya R (14)
|
STGOLD |
17:34.58 |
18:28.31 |
53.73 |
| 2 |
Gettys, Emmalee A (14)
|
STGOLD |
18:01.44 |
18:40.51 |
39.07 |
| 3 |
Moffett, Alexandra D (14)
|
STGOLD |
19:12.01 |
19:24.33 |
12.32 |
| 4 |
Chambers, Joy C (13)
|
STGOLD |
19:36.78 |
19:31.79 |
-4.99 |
| 5 |
Klein, Marina L (14)
|
LACOSS |
20:38.41 |
20:20.64 |
-17.77 |
| 6 |
Alexander, Emma T (13)
|
LACOLA |
21:35.89 |
20:56.02 |
-39.87 |
| 7 |
Broussard, Elizabeth G (14)
|
LASC |
21:00.00 |
21:05.32 |
5.32 |
| 8 |
Self, Kaitlyn R (14)
|
LACOLA |
21:35.45 |
21:09.98 |
-25.47 |
| 9 |
Harris, Arwen M (14)
|
STGOLD |
20:39.63 |
21:18.94 |
39.31 |
| 10 |
Jackson, Abigail E (14)
|
LACOSS |
|
21:26.54 |
- |
| 11 |
Planz, Liana A (14)
|
STTST |
19:48.09 |
21:52.47 |
124.38 |