| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tse, Sylvia (11)
|
NJWAVE |
29.28 |
29.00 |
-0.28 |
| 2 |
Pavlidis, Kostantina (12)
|
NJMYM |
29.70 |
29.27 |
-0.43 |
| 3 |
Lee, Syon (12)
|
NJMALT |
29.64 |
29.54 |
-0.10 |
| 4 |
Chin, Samantha (12)
|
NJMALT |
31.30 |
29.98 |
-1.32 |
| 5 |
Vogt, Hannah T (12)
|
NJRY |
29.73 |
30.21 |
0.48 |
| 6 |
Webb, Cecelia A (11)
|
NJBAC |
31.27 |
30.37 |
-0.90 |
| 7 |
Zhikharev, Alexandra (11)
|
NJWAVE |
31.02 |
30.77 |
-0.25 |
| 8 |
Tallides, Eleni L (11)
|
NJWAVE |
29.47 |
30.95 |
1.48 |
| 9 |
Hekemian, Emma J (12)
|
NJRY |
30.78 |
30.97 |
0.19 |
| 10 |
Murphy-Braunstein, Celia M (12)
|
NJMYM |
30.76 |
31.05 |
0.29 |
| 11 |
Xie, Yilin (11)
|
NJMALT |
31.03 |
31.06 |
0.03 |
| 12 |
Villacis, Gracie C (12)
|
NJTWST |
30.99 |
31.08 |
0.09 |
| 13 |
Glenning, Lily S (12)
|
NJRY |
30.75 |
31.79 |
1.04 |
| 14 |
Silva, Nicolle (12)
|
NJMALT |
41.67 |
34.30 |
-7.37 |