| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chemacki, Abbigail M (15)
|
CTSLAC |
17:44.41 |
17:56.50 |
12.09 |
| 2 |
Beauchene, Katherine E (12)
|
CTFVYT |
18:37.41 |
18:34.22 |
-3.19 |
| 3 |
Sedlak, Margaret A (15)
|
CTZEUS |
18:45.70 |
18:35.09 |
-10.61 |
| 4 |
Cassineri, Grace E (15)
|
CTSLAC |
18:49.70 |
18:52.37 |
2.67 |
| 5 |
Sweeney, Grace R (15)
|
CTSLAC |
18:10.66 |
18:57.06 |
46.40 |
| 6 |
Stidolph, Julia F (13)
|
CTZEUS |
18:55.20 |
18:57.13 |
1.93 |
| 7 |
Ruffo, Emma E (17)
|
CTSLAC |
19:30.99 |
19:06.71 |
-24.28 |
| 8 |
Whitaker, Molly A (15)
|
CTMAC |
19:20.99 |
19:28.61 |
7.62 |
| 9 |
Edgington, Samantha C (17)
|
UNAT |
19:26.98 |
19:38.28 |
11.30 |
| 10 |
Gilbertson, Rhianna S (16)
|
CTZEUS |
19:08.85 |
19:43.49 |
34.64 |
| 11 |
Tevelde, Anna G (12)
|
CTIVY |
|
19:51.87 |
- |
| 12 |
Reinoso, Pamela P (17)
|
CTZEUS |
18:55.70 |
20:06.52 |
70.82 |
| 13 |
Velazquez, Kimberly K (13)
|
CTZEUS |
21:01.70 |
20:12.61 |
-49.09 |
| 14 |
Carvente, Ashley (12)
|
CTZEUS |
20:54.70 |
20:22.21 |
-32.49 |
| 15 |
Annavajjhala, Sumanvi (13)
|
CTARAC |
20:34.42 |
21:09.59 |
35.17 |
| 16 |
Beach, Emmy L (12)
|
CTARAC |
22:08.51 |
21:38.30 |
-30.21 |
| 17 |
Nichols, Aubrie R (13)
|
CTARAC |
22:18.52 |
22:25.64 |
7.12 |