| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Speight-Ray, Allegra I (12)
|
MRAGUA |
19:15.77 |
18:31.73 |
-44.04 |
| 2 |
Lange, Elisabeth L (12)
|
MRBAD |
20:06.76 |
18:46.88 |
-79.88 |
| 3 |
Jorsling, Jisella C (12)
|
MRBAD |
18:54.57 |
18:55.72 |
1.15 |
| 4 |
Behrend, Molly C (11)
|
MRWEST |
19:50.22 |
18:59.00 |
-51.22 |
| 5 |
DeCasseres, Brianna O (11)
|
MRWEST |
19:51.22 |
19:43.28 |
-7.94 |
| 6 |
Grayson, Kelsey R (12)
|
MRBGNW |
|
19:50.33 |
- |
| 7 |
la Fleur, Madeleine F (12)
|
MRBGNW |
|
19:55.61 |
- |
| 8 |
Galimi, Maeve O (11)
|
MRWEST |
20:20.22 |
20:03.54 |
-16.68 |
| 9 |
Jorsling, Jules A (11)
|
MRBAD |
22:27.94 |
20:56.88 |
-91.06 |
| 10 |
Pinto, Gabriella (11)
|
MRBAD |
22:41.84 |
21:07.46 |
-94.38 |
| 11 |
Turnbull, Hayden R (11)
|
MRBAD |
21:00.00 |
21:26.73 |
26.73 |
|
Hennessee, Iris B (12)
|
MRBGNW |
|
NS |
- |