| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mock, Tessa J (18)
|
AMPITT |
16:47.85 |
16:38.52 |
-9.33 |
| 2 |
Gaguzis, Peri S (17)
|
AMKW |
17:16.93 |
17:32.26 |
15.33 |
| 3 |
Klingensmith, Hanna L (14)
|
AMPEAQ |
18:12.81 |
17:33.60 |
-39.21 |
| 4 |
McCarthy, Danielle R (17)
|
MAGPAC |
17:45.46 |
17:38.26 |
-7.20 |
| 5 |
Valle, Isabela (15)
|
MAGPAC |
17:33.06 |
17:51.96 |
18.90 |
| 6 |
Hetzer, Reese O (14)
|
MAGPAC |
17:56.94 |
18:02.33 |
5.39 |
| 7 |
Wise, Emma C (17)
|
AMRXA |
18:49.54 |
18:10.23 |
-39.31 |
| 8 |
Colvard, Chloe T (16)
|
MDFAST |
18:28.12 |
18:10.53 |
-17.59 |
| 9 |
Dixon, Matilyn D (16)
|
MRCOND |
18:21.85 |
18:15.54 |
-6.31 |
| 10 |
Carliss, Sophia E (14)
|
MDFAST |
18:24.46 |
18:15.66 |
-8.80 |
| 11 |
Langmyer, Lacie M (16)
|
AMWHY |
18:46.76 |
18:21.21 |
-25.55 |
| 12 |
Deeble, Zoe E (16)
|
VAGATR |
18:34.42 |
18:38.58 |
4.16 |