| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Johnston, Isla E (16)
|
NJJAC |
17:53.76 |
17:40.79 |
-12.97 |
| 2 |
Kopp, Riley (16)
|
NJSCAR |
18:15.71 |
17:48.78 |
-26.93 |
| 3 |
Ewing, Hannah E (17)
|
NJCAT |
17:57.80 |
17:58.51 |
0.71 |
| 4 |
Perez, Zoe A (16)
|
NJSCAR |
18:11.76 |
18:00.18 |
-11.58 |
| 5 |
Lepis, Ella K (17)
|
NJCAT |
17:41.81 |
18:09.14 |
27.33 |
| 6 |
Zaremba, Nicole (19)
|
NJSCAR |
18:02.83 |
18:20.95 |
18.12 |
| 7 |
Meth, Isabelle S (15)
|
NJPAA |
19:04.94 |
18:37.37 |
-27.57 |
| 8 |
Black, Sasha G (15)
|
NJCAT |
19:32.18 |
18:48.88 |
-43.30 |
| 9 |
Benefield, Madison M (17)
|
NJLIFE |
19:14.82 |
18:56.17 |
-18.65 |
| 10 |
Denlea, Samantha L (17)
|
NJOCY |
18:40.47 |
19:03.84 |
23.37 |
| 11 |
Lyons, Olivia G (16)
|
NJSCAR |
18:49.99 |
19:04.97 |
14.98 |
| 12 |
Schwing-Krompholz, Leah M (16)
|
NJOCY |
19:42.38 |
19:33.70 |
-8.68 |
| 13 |
Catalano, Amanda P (16)
|
NJSCAR |
19:26.57 |
19:40.70 |
14.13 |
| 14 |
English, Eliana L (15)
|
NJBB |
19:46.11 |
19:49.25 |
3.14 |