| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gregory, Mary G (14)
|
VAWAC |
17:36.36 |
17:12.83 |
-23.53 |
| 2 |
Chavez-Varela, Isabella (14)
|
SISBA |
17:27.09 |
17:19.86 |
-7.23 |
| 3 |
Herrera, Emma C (14)
|
FGJDST |
18:20.21 |
17:34.18 |
-46.03 |
| 4 |
Caraballo, Isabella K (14)
|
MAWAC |
18:12.35 |
17:35.67 |
-36.68 |
| 5 |
Wilson, Isabelle B (14)
|
FGSOFL |
17:44.86 |
17:41.97 |
-2.89 |
| 6 |
Deykin, Kate S (14)
|
STAQSA |
18:08.21 |
17:48.48 |
-19.73 |
| 7 |
Beauchene, Katherine E (14)
|
CTFVYT |
17:40.98 |
17:58.10 |
17.12 |
| 8 |
Scharper, Grace M (14)
|
MDNBAC |
18:39.80 |
18:11.12 |
-28.68 |
| 9 |
Wehman, Blair R (14)
|
MDNBAC |
19:10.72 |
18:33.94 |
-36.78 |
| 10 |
Dunn, Katherine E (14)
|
WIVAST |
18:55.91 |
19:05.82 |
9.91 |
| 11 |
Kline, Anna R (14)
|
FGEA |
19:06.59 |
19:10.66 |
4.07 |
| 12 |
Mousty, Kyleigh E (14)
|
ILPAWW |
18:45.17 |
19:10.78 |
25.61 |
| 13 |
Nielsen, Sophia L (14)
|
MICW |
19:55.57 |
19:25.99 |
-29.58 |
| 14 |
Greulich, Alena W (14)
|
OHCY |
19:45.99 |
19:41.37 |
-4.62 |
|
Lazar, Penelope A (14)
|
CTGYWD |
17:10.20 |
NS |
- |