| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sposili, Alison M (15)
|
ADCPP |
|
18:52.54 |
- |
| 2 |
Sposili, Lauren C (17)
|
ADCPP |
19:05.20 |
19:37.41 |
32.21 |
| 3 |
Burch, Gillian W (17)
|
ADALBS |
19:32.96 |
19:42.41 |
9.45 |
| 4 |
Leung, Adelaide (15)
|
ADCPP |
|
19:43.28 |
- |
| 5 |
Carlson, Lindsay K (17)
|
ADHAWK |
21:32.13 |
20:25.31 |
-66.82 |
| 6 |
Plante, Megan G (13)
|
ADDELM |
|
20:31.98 |
- |
| 7 |
Psilopoulos, Andie J (12)
|
ADHAWK |
21:45.22 |
20:54.28 |
-50.94 |
| 8 |
Gayton, Kailey C (14)
|
ADGLFY |
|
21:09.87 |
- |
| 9 |
Burda, Sophia J (15)
|
MRHVD |
21:49.49 |
21:11.12 |
-38.37 |
| 10 |
Swan-Scott, Willow S (16)
|
ADGLFY |
19:01.97 |
21:27.08 |
145.11 |
| 11 |
Bonner, Mikayla A (17)
|
ADHAWK |
20:57.70 |
21:30.70 |
33.00 |
| 12 |
Sands, Samantha B (11)
|
ADCPP |
22:03.62 |
21:51.04 |
-12.58 |
| 13 |
Wheeler, Rachel C (13)
|
ADALBS |
|
22:10.84 |
- |
| 14 |
Gerard, Emily E (14)
|
ADALBS |
|
22:31.50 |
- |
| 15 |
Stoup, Anna L (11)
|
ADCPP |
22:59.82 |
22:38.90 |
-20.92 |
| 16 |
Winne, Ellen M (13)
|
ADALBS |
|
23:05.32 |
- |
| 17 |
O'Donnell, Mairead E (16)
|
MRHVD |
19:38.88 |
23:07.20 |
208.32 |
| 18 |
Burch, Katherine H (12)
|
ADALBS |
|
23:39.41 |
- |
| 19 |
Lortie, Alyssa T (15)
|
ADALBS |
|
24:09.14 |
- |
| 20 |
Nichols, Cameron C (14)
|
ADALBS |
|
25:15.78 |
- |
| 21 |
Bonner, Kaitlyn R (11)
|
ADHAWK |
29:23.67 |
29:28.81 |
5.14 |