| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Luo, TingTing T (14)
|
NJGSCY |
37.05 |
38.09 |
1.04 |
| 2 |
Baia, Sofia (14)
|
NJGSCY |
43.17 |
41.40 |
-1.77 |
| 3 |
SommerhalderLoureiro, Olga (13)
|
NJGSCY |
42.65 |
42.27 |
-0.38 |
| 4 |
Boulos, Julietta (13)
|
NJGSCY |
42.72 |
42.67 |
-0.05 |
| 5 |
VanDeBoe, Addison G (13)
|
NJGMNY |
39.38 |
42.97 |
3.59 |
| 6 |
McKillop, Neve A (13)
|
NJRY |
39.99 |
44.95 |
4.96 |
| 7 |
Liu, Amelia (14)
|
NJGSCY |
47.62 |
45.34 |
-2.28 |
| 8 |
Arora, Anika (14)
|
NJGSCY |
47.15 |
45.65 |
-1.50 |
| 9 |
Bar, Kiran M (13)
|
NJGSCY |
47.72 |
48.78 |
1.06 |
| 10 |
Xu, Emma A (13)
|
NJGSCY |
49.15 |
50.21 |
1.06 |
| 11 |
Rhi, Abigail S (14)
|
NJRY |
39.99 |
52.41 |
12.42 |
| 12 |
Ellis Paiz, Samantha D (13)
|
NJGSCY |
56.03 |
55.88 |
-0.15 |
| 13 |
Kutynia, Olivia H (13)
|
NJGSCY |
58.61 |
56.64 |
-1.97 |
|
Donnelly, Noelle M (14)
|
NJGMNY |
38.64 |
DQ |
- |