| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pedre, Jessica J (12)
|
NJOCY |
40.70 |
41.43 |
0.73 |
| 2 |
Berkenbosch, Samantha (11)
|
NJCBGC |
41.20 |
41.89 |
0.69 |
| 3 |
Bartoszewicz, Julia (11)
|
NJCBGC |
41.33 |
42.05 |
0.72 |
| 4 |
Lepis, Charlotte A (11)
|
NJCAT |
44.86 |
42.24 |
-2.62 |
| 5 |
Polecki, Julia (12)
|
NJCBGC |
46.99 |
43.78 |
-3.21 |
| 6 |
Ogawa, Kei (12)
|
NJACE |
47.84 |
44.16 |
-3.68 |
| 7 |
Akram, Aleena A (12)
|
NJSCAR |
41.40 |
44.68 |
3.28 |
| 8 |
Elwell, Josephine H (12)
|
NJOCY |
43.54 |
45.13 |
1.59 |
| 9 |
Salkin, Nicole S (11)
|
NJHCY |
46.53 |
46.77 |
0.24 |
| 10 |
Ghate, Anushree (11)
|
NJMEY |
45.78 |
46.87 |
1.09 |
| 11 |
Lozano, Karyme (11)
|
NJCBGC |
47.01 |
47.89 |
0.88 |
| 12 |
Kral, Jessica (11)
|
NJSCAR |
50.84 |
47.97 |
-2.87 |
| 13 |
Wang, April (12)
|
NJTWST |
45.26 |
48.39 |
3.13 |
| 14 |
DiGiovanni, Gabriella A (11)
|
NJTAC |
51.55 |
49.08 |
-2.47 |
| 15 |
Ziga, Katie L (11)
|
NJSCAR |
49.88 |
49.36 |
-0.52 |
| 16 |
Chant, Alisa S (12)
|
NJMYM |
47.00 |
50.58 |
3.58 |
| 17 |
Spalt, Jillian A (12)
|
NJTAC |
53.45 |
51.25 |
-2.20 |
| 18 |
Carlomagno, Isabella (11)
|
NJCBGC |
47.01 |
51.64 |
4.63 |
| 19 |
D'Souza, Nishika A (12)
|
NJSCAR |
52.76 |
51.78 |
-0.98 |
| 20 |
Soman, Alicia A (11)
|
NJSCAR |
56.03 |
51.94 |
-4.09 |
| 21 |
Gervino, Sophia R (11)
|
NJCAT |
47.08 |
52.29 |
5.21 |
| 22 |
Coleman, Emilia J (11)
|
NJJFAC |
51.52 |
52.51 |
0.99 |
| 23 |
Mahadev, Megha (11)
|
NJJFAC |
51.66 |
53.97 |
2.31 |
| 24 |
Gillott, Evie O (11)
|
NJMYM |
47.00 |
54.02 |
7.02 |
| 25 |
Villadolid, Bianca Mikaela M (12)
|
NJSCAR |
53.26 |
54.28 |
1.02 |
| 26 |
Bhandari, Kimberly (11)
|
NJCBGC |
47.01 |
55.12 |
8.11 |
| 27 |
Kaminski, Zoe G (11)
|
NJJFAC |
53.30 |
56.07 |
2.77 |
| 28 |
Stieve, Charlotte O (11)
|
NJCAT |
59.80 |
1:01.89 |
2.09 |
| 29 |
Harris, Siobhan M (11)
|
NJCAT |
56.74 |
1:03.71 |
6.97 |