| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wieckowski, Kayla S (13)
|
SRBY |
17:52.15 |
17:36.63 |
-15.52 |
| 2 |
Adams, Katherine M (13)
|
ORTHSC |
18:53.43 |
18:33.32 |
-20.11 |
| 3 |
Muhlfeld, Madeline R (13)
|
MTKATS |
18:55.69 |
18:36.00 |
-19.69 |
| 4 |
Young, Natalie E (13)
|
ORTHSC |
18:25.03 |
18:37.63 |
12.60 |
| 5 |
Schwam, Julie A (13)
|
ORDDAC |
18:29.69 |
18:37.65 |
7.96 |
| 6 |
Mittelsteadt, Annika M (13)
|
MTBOZ |
19:00.51 |
18:55.86 |
-4.65 |
| 7 |
Rutherford, Cameron D (13)
|
IETCCC |
18:44.26 |
19:00.73 |
16.47 |
| 8 |
Yueh, Alice (13)
|
ORTHSC |
18:39.98 |
19:26.32 |
46.34 |
| 9 |
Sanger, Elisabeth F (13)
|
ORTHSC |
18:51.06 |
19:46.78 |
55.72 |
|
Low, Natalie (13)
|
HIHSC |
18:12.55 |
NS |
- |