| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hurst, Kate M (8)
|
NJWFY |
49.61 |
47.87 |
-1.74 |
| 2 |
Chow, Olivia R (8)
|
NJTWST |
47.56 |
48.99 |
1.43 |
| 3 |
Haemmerle, Julia F (8)
|
NJSKYY |
51.03 |
49.00 |
-2.03 |
| 4 |
Romanelli, Elle F (8)
|
NJBWTD |
50.05 |
49.67 |
-0.38 |
| 5 |
Perrotti, Francesca C (8)
|
NJSKYY |
49.79 |
51.33 |
1.54 |
| 6 |
Mustacciuolo, Ava (8)
|
NJMALT |
53.00 |
52.01 |
-0.99 |
| 7 |
Callahan, Margot D (8)
|
NJBAC |
57.65 |
54.84 |
-2.81 |
| 8 |
Lee, Grace E (8)
|
NJWFY |
56.49 |
55.72 |
-0.77 |
| 9 |
Schreiber, McKenzie N (8)
|
NJJG |
58.16 |
55.81 |
-2.35 |
| 10 |
Topolski, Laura H (8)
|
NJJG |
48.87 |
56.27 |
7.40 |
| 11 |
Tomfohrde, Carly A (8)
|
NJPTAC |
53.70 |
56.43 |
2.73 |
| 12 |
Nozhenko, Alexandra (8)
|
NJSCAR |
1:01.30 |
56.89 |
-4.41 |
| 13 |
Ivanov, Katya A (8)
|
NJBAC |
56.34 |
59.65 |
3.31 |
| 14 |
Barisonek, Erin K (8)
|
NJBAC |
1:00.35 |
1:00.56 |
0.21 |
| 15 |
Ranft, Christiana R (8)
|
NJWFY |
58.78 |
1:00.95 |
2.17 |
| 16 |
Singh, Agamya (8)
|
NJPTAC |
57.20 |
1:03.42 |
6.22 |
| 17 |
Cialdella, Marina L (8)
|
NJBWTD |
1:07.24 |
1:05.20 |
-2.04 |
| 18 |
Carroll, Ava M (8)
|
NJPTAC |
1:00.52 |
1:07.14 |
6.62 |
| 19 |
Montanez, Nina M (8)
|
NJSKYY |
1:07.29 |
1:09.33 |
2.04 |
|
Roman, Andrea C (8)
|
NJBWTD |
57.55 |
NS |
- |