| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Smith, Mary C (16)
|
AMAM |
18:16.18 |
18:05.35 |
-10.83 |
| 2 |
Canjura, Alison E (17)
|
ADAD |
18:13.36 |
18:08.40 |
-4.96 |
| 3 |
Smolar, Kaitlyn (15)
|
MRMETR |
18:23.13 |
18:08.72 |
-14.41 |
| 4 |
Longo, Caroline E (15)
|
MRMETR |
18:32.90 |
18:17.38 |
-15.52 |
| 5 |
Grumski, Kassandra M (16)
|
AMAM |
18:07.92 |
18:17.66 |
9.74 |
| 6 |
Davies, Meredith B (17)
|
NJNJS |
18:34.90 |
18:18.28 |
-16.62 |
| 7 |
Erickson, Stephanie E (15)
|
ADAD |
18:47.94 |
18:33.63 |
-14.31 |
| 8 |
Finley, Merilynn E (16)
|
PVPV |
18:29.13 |
18:52.88 |
23.75 |
| 9 |
Blankenship, Quinn D (16)
|
PVPV |
18:20.40 |
19:14.08 |
53.68 |
| 10 |
Balbo, Megan E (15)
|
NJNJS |
18:40.10 |
19:18.01 |
37.91 |
| 11 |
Bridge, Haley M (17)
|
NINI |
18:40.21 |
19:41.92 |
61.71 |
| 12 |
Ludlow, Allison G (16)
|
NINI |
21:04.97 |
20:06.41 |
-58.56 |