| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gorham, Emily N (17)
|
NJSCAR |
17:29.76 |
17:24.92 |
-4.84 |
| 2 |
Healey, Angharad G (18)
|
NJSCAR |
18:57.57 |
18:11.95 |
-45.62 |
| 3 |
Martin, Alyssa D (15)
|
MRUN-P |
19:47.50 |
19:19.93 |
-27.57 |
| 4 |
Holman, Josephine M (15)
|
MRPATS |
19:07.31 |
19:26.81 |
19.50 |
| 5 |
Satriano, Delia (14)
|
MRVAC |
20:41.40 |
20:03.37 |
-38.03 |
| 6 |
McCarroll, Alora G (13)
|
CTSYS |
21:23.52 |
20:26.99 |
-56.53 |
| 7 |
Trzewik-Quinn, Zofia H (13)
|
ADHAWK |
21:00.00 |
20:28.85 |
-31.15 |
| 8 |
Bonner, Mikayla A (15)
|
ADHAWK |
20:55.65 |
20:33.04 |
-22.61 |
| 9 |
Reinhardt, Sophia M (17)
|
ADHAWK |
21:06.07 |
22:30.55 |
84.48 |
| 10 |
Shaffer, Bailey E (17)
|
ADHAWK |
23:00.00 |
22:55.59 |
-4.41 |
|
Jin-Hendel, Annabelle M (15)
|
NJSCAR |
21:42.91 |
DQ |
- |