| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Freire, Ayla (10)
|
NJLIFE |
3:25.43 |
3:20.13 |
-5.30 |
| 2 |
Dooley, Emma C (10)
|
NJLIFE |
3:20.50 |
3:22.74 |
2.24 |
| 3 |
Hills, Caitlin I (10)
|
NJBAC |
3:24.71 |
3:23.23 |
-1.48 |
| 4 |
Bacchetta, AnnaMaria (10)
|
NJSKYY |
3:25.42 |
3:23.26 |
-2.16 |
| 5 |
Furman, Cassie M (10)
|
NJRANY |
3:22.94 |
3:23.38 |
0.44 |
| 6 |
Bateman, Hannah E (9)
|
NJTAC |
3:27.38 |
3:24.05 |
-3.33 |
| 7 |
Marion, Kayla L (10)
|
NJBAC |
3:23.51 |
3:24.65 |
1.14 |
| 8 |
Wong, Taylor (10)
|
NJLIFE |
3:26.74 |
3:27.04 |
0.30 |
| 9 |
Crawford, Madeline M (9)
|
NJBAC |
3:27.16 |
3:27.41 |
0.25 |
| 10 |
Flanigan, Kathryn S (9)
|
NJBAC |
3:35.95 |
3:28.12 |
-7.83 |
| 11 |
Lee, Madelyn (10)
|
NJBAC |
3:25.47 |
3:28.94 |
3.47 |
| 12 |
Xu, Joya (10)
|
NJWEY |
3:40.38 |
3:34.99 |
-5.39 |
| 13 |
Liu, Sara (10)
|
NJLIFE |
3:36.77 |
3:35.58 |
-1.19 |
| 14 |
Formon, Nicola T (8)
|
NJBAC |
3:43.51 |
3:43.36 |
-0.15 |
| 15 |
Callahan, Gillian P (9)
|
NJBAC |
3:39.43 |
3:50.66 |
11.23 |
| 16 |
Callahan, Delia M (9)
|
NJBAC |
3:36.74 |
3:52.85 |
16.11 |
| 17 |
Barry, Fiona M (10)
|
NJRANY |
3:39.57 |
3:55.61 |
16.04 |
| 18 |
Thorn Leeson, Chloe B (9)
|
NJMAY |
3:41.58 |
4:05.17 |
23.59 |