| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Manley, Laura E (18)
|
AZOV |
35.31 |
34.09 |
-1.22 |
| 2 |
Reilly, Devyn (15)
|
NJOCY |
34.80 |
35.56 |
0.76 |
| 3 |
Calvo-Mejia, Valeria (15)
|
NJMDY |
38.35 |
36.09 |
-2.26 |
| 4 |
Westhoven, Marcella G (16)
|
NJOCY |
36.83 |
36.91 |
0.08 |
| 5 |
Becerra, Gabriella (15)
|
NJCBGC |
35.72 |
37.45 |
1.73 |
| 6 |
MacCracken, Maya (15)
|
NJCBGC |
36.87 |
37.85 |
0.98 |
| 7 |
Piazza, Liv (15)
|
NJHCY |
37.54 |
38.94 |
1.40 |
| 8 |
Repmann, Darcy A (17)
|
NJHCY |
37.49 |
39.10 |
1.61 |
| 9 |
Woodring, Michelle R (16)
|
NJHCY |
39.93 |
39.77 |
-0.16 |
| 10 |
Lester, Amaya R (15)
|
NJPPST |
42.27 |
42.38 |
0.11 |
| 11 |
Orsato, Emily G (15)
|
NJBB |
43.85 |
42.43 |
-1.42 |
| 12 |
Figueiredo, Emma (15)
|
NJWY |
41.17 |
43.90 |
2.73 |
| 13 |
Gray, Cara E (15)
|
NJMDY |
46.67 |
44.80 |
-1.87 |