| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Townsend, Zariah B (14)
|
NJRSA |
45.40 |
38.14 |
-7.26 |
| 2 |
Saldivia, Isabela V (13)
|
NJHACY |
37.95 |
38.85 |
0.90 |
| 3 |
Keim, Lilliana E (14)
|
NJUN-K |
38.99 |
39.90 |
0.91 |
| 4 |
Taffera, Ella (13)
|
NJHCY |
43.97 |
44.23 |
0.26 |
| 5 |
Dominguez, Ashaly (14)
|
NJCBGC |
44.16 |
46.15 |
1.99 |
| 6 |
Salakhova, Viktoriia (14)
|
NJCBGC |
49.85 |
46.36 |
-3.49 |
| 7 |
Graziani, Arianna H (13)
|
NJSTAR |
55.33 |
46.37 |
-8.96 |
| 8 |
Villalobos, Vianca C (14)
|
NJSTAR |
47.75 |
46.47 |
-1.28 |
| 9 |
Mastromarino, Isabella G (13)
|
NJMYM |
47.53 |
46.60 |
-0.93 |
| 10 |
Gabadze, Kathy (13)
|
NJCBGC |
45.89 |
46.68 |
0.79 |
| 11 |
Bonchev, Addison S (13)
|
NJHACY |
49.57 |
50.22 |
0.65 |
| 12 |
Gomez, Micaela D (13)
|
NJHACY |
54.31 |
50.93 |
-3.38 |
| 13 |
Benjamin, Ella (13)
|
NJRSA |
51.51 |
51.60 |
0.09 |
| 14 |
Sandoval, Sofia (13)
|
NJCBGC |
53.41 |
52.06 |
-1.35 |
| 15 |
Rana, Hirva (13)
|
NJMYM |
55.95 |
56.41 |
0.46 |
| 16 |
Sanford, Devin (13)
|
NJHCY |
55.08 |
57.56 |
2.48 |