| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McKenna, Mary K (17)
|
MRLIE |
17:01.30 |
17:17.55 |
16.25 |
| 2 |
Egan, Orla M (19)
|
MRLGAC |
18:12.56 |
17:36.34 |
-36.22 |
| 3 |
Vorobyeva, Arina I (15)
|
MAUDAC |
17:27.91 |
17:39.77 |
11.86 |
| 4 |
Berg, Madeline M (16)
|
AMSTEE |
17:41.98 |
17:40.14 |
-1.84 |
| 5 |
Webb, Addison M (14)
|
PVRMSC |
17:49.79 |
17:52.02 |
2.23 |
| 6 |
Strober, Lila N (16)
|
CTOAK |
18:07.57 |
17:59.40 |
-8.17 |
| 7 |
Wood, Adelaide (17)
|
VATIDE |
18:16.91 |
18:03.52 |
-13.39 |
| 8 |
Klingensmith, Hanna L (15)
|
AMPEAQ |
18:07.06 |
18:05.55 |
-1.51 |
| 9 |
Strickland, Virginia B (13)
|
PVFISH |
18:01.48 |
18:09.66 |
8.18 |
| 10 |
Treglia, Megan E (15)
|
MAJW |
18:08.24 |
18:17.34 |
9.10 |
| 11 |
Davis, Eleanor G (16)
|
MAJW |
18:06.88 |
18:18.90 |
12.02 |
| 12 |
King, Avery O (18)
|
MAPAAC |
18:13.21 |
18:20.97 |
7.76 |
| 13 |
Dean, Skylar H (14)
|
PVRMSC |
18:30.25 |
18:23.22 |
-7.03 |
| 14 |
Gray, Lauren P (15)
|
VATIDE |
18:06.88 |
18:23.31 |
16.43 |
| 15 |
Cheplick, Natalie A (15)
|
MAPAAC |
18:31.62 |
18:25.31 |
-6.31 |
| 16 |
Beggs, Christina C (17)
|
MAJW |
18:23.82 |
18:28.25 |
4.43 |
| 17 |
Huffstutler, Anabel H (17)
|
PVMACH |
17:44.76 |
18:34.55 |
49.79 |
| 18 |
Domster, Madeline N (17)
|
NISTAR |
17:56.43 |
18:37.49 |
41.06 |
| 19 |
Heden, Jessica N (15)
|
NJXCEL |
18:22.60 |
18:37.77 |
15.17 |
| 20 |
Webb, Natalie I (17)
|
PVRMSC |
17:59.51 |
18:53.62 |
54.11 |
| 21 |
Reilly, Bridget F (14)
|
NISTAR |
18:31.18 |
18:56.05 |
24.87 |
| 22 |
Camden, Madison N (15)
|
MAPAAC |
18:24.01 |
19:01.09 |
37.08 |
| 23 |
Kelly, Caroline E (17)
|
CTRAC |
18:16.54 |
19:10.02 |
53.48 |
| 24 |
Eberle, Anna E (16)
|
VATIDE |
18:20.29 |
19:19.14 |
58.85 |
| 25 |
Ristad, Sabine A (15)
|
NJXCEL |
18:34.15 |
19:25.73 |
51.58 |
|
Traub, Celia B (16)
|
MAPAAC |
18:28.59 |
NS |
- |