| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Segerson, Samantha J (12)
|
PNBISC |
18:49.50 |
18:18.03 |
-31.47 |
| 2 |
Howard, Cecilia J (12)
|
PNBC |
19:34.17 |
18:23.20 |
-70.97 |
| 3 |
Woare, Cecilia J (12)
|
PNSMAC |
18:54.69 |
18:36.29 |
-18.40 |
| 4 |
Hardy, Ansley B (12)
|
PNBBST |
20:42.34 |
18:52.46 |
-109.88 |
| 5 |
LaTendresse, Kaitlyn E (11)
|
PNUPAC |
19:35.57 |
19:05.09 |
-30.48 |
| 6 |
Jones, Kinley A (11)
|
PNUPAC |
21:29.75 |
19:05.12 |
-144.63 |
| 7 |
Cancelmo, Caroline S (12)
|
PNCSC |
19:54.65 |
19:20.56 |
-34.09 |
| 8 |
Keough, Marie R (12)
|
PNUPAC |
20:09.94 |
19:24.73 |
-45.21 |
| 9 |
Balog, Anouk M (12)
|
PNWAVE |
20:52.34 |
19:49.78 |
-62.56 |
| 10 |
Wyzga, Sofia L (11)
|
PNBC |
21:11.30 |
19:58.46 |
-72.84 |
| 11 |
Doroski, Greta R (12)
|
PNBC |
21:07.30 |
20:04.46 |
-62.84 |
| 12 |
Ewers, Emma M (12)
|
PNCSC |
20:14.52 |
20:08.80 |
-5.72 |
| 13 |
Matsumoto, Harper R (12)
|
PNXCEL |
19:27.92 |
20:26.57 |
58.65 |
| 14 |
Everett, Catherine O (12)
|
PNBISC |
20:29.49 |
20:30.13 |
0.64 |
| 15 |
Song, Yiming M (12)
|
PNWEST |
21:14.97 |
20:39.69 |
-35.28 |
| 16 |
Merriam, Samantha J (12)
|
PNGAC |
21:03.18 |
20:50.69 |
-12.49 |
| 17 |
Traina, Megan N (12)
|
PNGAC |
21:18.26 |
21:01.93 |
-16.33 |
| 18 |
Fox, Juliet A (11)
|
PNUN |
21:15.25 |
21:15.02 |
-0.23 |
| 19 |
Farinas, Gabriella C (12)
|
PNBC |
21:33.87 |
23:03.17 |
89.30 |