| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Derivaux, Lillian E (12)
|
MAJW |
18:51.49 |
18:19.67 |
-31.82 |
| 2 |
Waggoner, Madeline M (12)
|
MAJW |
18:54.44 |
18:51.17 |
-3.27 |
| 3 |
Testa, Madison N (12)
|
MAUN-2 |
19:47.47 |
19:06.62 |
-40.85 |
| 4 |
Parker, Hannah I (12)
|
MAHHAA |
19:43.25 |
19:19.18 |
-24.07 |
| 5 |
Denn, Laci J (12)
|
MAECCC |
19:19.36 |
19:34.87 |
15.51 |
| 6 |
Petrakis, Nyah M (12)
|
MACBST |
20:51.06 |
19:41.25 |
-69.81 |
| 7 |
Kerner, Erica J (12)
|
MAJW |
20:01.12 |
19:53.24 |
-7.88 |
| 8 |
Kalish, Lindsay P (12)
|
MAUN-3 |
19:36.37 |
19:54.63 |
18.26 |
| 9 |
Staretz, Presley E (12)
|
MAWSY |
19:52.80 |
20:06.07 |
13.27 |
| 10 |
Potteiger, Mckenna R (11)
|
MAYY |
20:28.93 |
20:07.19 |
-21.74 |
| 11 |
Iordanov, Monica I (11)
|
MAECCC |
20:36.72 |
20:09.73 |
-26.99 |
| 12 |
Raser, Emma F (11)
|
MANPAC |
20:59.03 |
20:11.20 |
-47.83 |
| 13 |
Tassinari, Marianne E (12)
|
MAPFY |
20:09.55 |
20:20.02 |
10.47 |
| 14 |
McCarthy, Danielle R (12)
|
MAGPAC |
20:37.62 |
20:27.64 |
-9.98 |
| 15 |
Koehle, Allison E (12)
|
MANLAC |
20:57.59 |
20:40.96 |
-16.63 |
| 16 |
Morris, Chloe R (12)
|
MAGPAC |
21:01.02 |
20:47.30 |
-13.72 |
| 17 |
Rossi, Isabella M (11)
|
MASEA |
20:34.50 |
20:49.11 |
14.61 |
| 18 |
Kulakowski, Olivia (11)
|
MAECCC |
20:43.63 |
20:50.91 |
7.28 |
| 19 |
Walters, Ava M (11)
|
MAPWAC |
20:22.88 |
20:56.19 |
33.31 |
| 20 |
McCool, Kiaha M (11)
|
MANLAC |
20:49.95 |
21:03.20 |
13.25 |
| 21 |
Pillar, Claire E (12)
|
MAFCA |
21:12.20 |
21:07.68 |
-4.52 |
| 22 |
Shifflett, Ella M (12)
|
MASSC |
21:08.69 |
21:14.44 |
5.75 |
| 23 |
Danastasio, Giovanna M (12)
|
MAWAVE |
20:46.00 |
21:19.48 |
33.48 |
| 24 |
Sandhaus, Eliza M (11)
|
MAEPAC |
21:36.18 |
22:27.39 |
51.21 |
| 25 |
Coonley, Campbell P (12)
|
MARAD |
20:38.92 |
22:32.48 |
113.56 |