| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pryne, Jessica L (17)
|
MRUN |
17:36.10 |
19:02.88 |
86.78 |
| 2 |
Psilopoulos, Andie J (13)
|
ADHAWK |
19:05.37 |
19:28.96 |
23.59 |
| 3 |
Ferreira, Katherine M (13)
|
ADDELM |
20:25.40 |
19:41.15 |
-44.25 |
| 4 |
Burda, Sophia J (16)
|
MRHVD |
19:30.47 |
20:12.08 |
41.61 |
| 5 |
Ring, Eloise C (14)
|
ADBFIN |
21:00.41 |
20:41.49 |
-18.92 |
| 6 |
Skuza, Olivia (13)
|
ADDELM |
22:10.78 |
20:44.96 |
-85.82 |
| 7 |
Jurgelon, Amanda M (13)
|
ADGUY |
|
20:52.62 |
- |
| 8 |
Regenauer, Hana M (16)
|
MRNBS |
20:19.17 |
21:08.47 |
49.30 |
| 9 |
Gayton, Kailey C (15)
|
ADGLFY |
20:50.24 |
21:19.50 |
29.26 |
| 10 |
Gerard, Emily E (15)
|
ADALBS |
22:12.72 |
22:06.55 |
-6.17 |
| 11 |
Martinko, Mia B (13)
|
MRPAC |
|
22:23.65 |
- |
| 12 |
Ball, Clarissa H (13)
|
ADALBS |
|
22:39.07 |
- |
| 13 |
Gall, Eloise (13)
|
ADALBS |
|
22:41.02 |
- |
| 14 |
Broadhead, Rachel (11)
|
ADALBS |
|
23:03.25 |
- |
| 15 |
Nichols, Cameron C (15)
|
ADALBS |
25:15.78 |
23:36.97 |
-98.81 |