| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Schultz, Emma E (16)
|
MDMAS |
18:33.97 |
18:36.11 |
2.14 |
| 2 |
MacLaren, Janna E (18)
|
MDMAS |
20:13.59 |
19:57.76 |
-15.83 |
| 3 |
Hopkins, Delaney B (15)
|
MDBAAC |
21:09.90 |
20:48.31 |
-21.59 |
| 4 |
Valkenberg, Sophia H (17)
|
MDMSC |
20:14.99 |
20:51.71 |
36.72 |
| 5 |
Cuchna, Francesca M (16)
|
MDMAS |
20:25.03 |
20:54.87 |
29.84 |
| 6 |
Lavin, Sydney C (15)
|
MDMSC |
21:43.70 |
21:18.90 |
-24.80 |
| 7 |
Northey, Charlotte A (17)
|
MDMAS |
21:01.33 |
21:24.19 |
22.86 |
| 8 |
Purcell, Gray C (16)
|
MDMSC |
|
21:49.55 |
- |
| 9 |
Fooksman, Jenna I (15)
|
MDJCC |
22:57.12 |
22:04.94 |
-52.18 |
| 10 |
Nelson, Sarah L (16)
|
MDBAAC |
22:43.13 |
22:09.02 |
-34.11 |
| 11 |
Severe, Darby A (17)
|
MDMAS |
|
22:10.39 |
- |
| 12 |
Lunken, Talia (15)
|
MDMSC |
|
22:28.76 |
- |
| 13 |
Amsler, Kendall F (15)
|
MDBAAC |
23:02.43 |
22:55.93 |
-6.50 |
| 14 |
Paules, Sydney A (15)
|
MDJCC |
23:18.65 |
24:25.66 |
67.01 |