| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Babashak, Emma G (14)
|
CTWYW |
18:43.26 |
18:17.97 |
-25.29 |
| 2 |
Palmer, Lydia M (13)
|
MAJW |
18:34.23 |
18:25.41 |
-8.82 |
| 3 |
Waggoner, Alexandra M (14)
|
MAJW |
19:38.92 |
18:58.41 |
-40.51 |
| 4 |
Blake, Lindsay M (14)
|
MAUMLY |
18:43.08 |
20:02.04 |
78.96 |
| 5 |
Collin, Ava M (13)
|
MAUMLY |
19:53.11 |
20:46.32 |
53.21 |
| 6 |
McNaull, Anna E (14)
|
MAUMLY |
21:41.01 |
20:54.09 |
-46.92 |
| 7 |
Burns, Delaney M (13)
|
MAUMLY |
22:03.85 |
21:02.23 |
-61.62 |
| 8 |
Roy, Hayden G (13)
|
CTWYW |
21:39.26 |
21:07.12 |
-32.14 |
| 9 |
McKenrick, Allysandra G (14)
|
MAUMLY |
21:44.64 |
22:00.43 |
15.79 |
| 10 |
Pravia, Isabel (14)
|
CTWYW |
22:16.84 |
22:08.94 |
-7.90 |