| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hahn, Abygail A (12)
|
NJMYM |
43.24 |
43.00 |
-0.24 |
| 2 |
Canizares-Bidwa, Isabella (12)
|
NJMYM |
46.29 |
44.22 |
-2.07 |
| 3 |
Gyan, Sophia I (12)
|
NJMYM |
46.08 |
44.62 |
-1.46 |
| 4 |
Meyer-Najmi, Hannah (12)
|
NJMYM |
46.27 |
45.66 |
-0.61 |
| 5 |
Habjan, Katherine A (11)
|
NJMYM |
54.04 |
46.56 |
-7.48 |
| 6 |
McNamara, Oona M (11)
|
NJMYM |
48.70 |
46.65 |
-2.05 |
| 7 |
Mastromarino, Isabella G (11)
|
NJMYM |
49.39 |
47.25 |
-2.14 |
| 8 |
Search, Sara D (11)
|
NJMYM |
48.63 |
49.41 |
0.78 |
| 9 |
Syed, Ainie (11)
|
NJMEY |
54.41 |
50.92 |
-3.49 |
| 10 |
Agrawal, Nishi (12)
|
NJMEY |
|
51.76 |
- |
| 11 |
Chidambaram, Dharshini (11)
|
NJMEY |
59.50 |
53.51 |
-5.99 |