| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Park, Cadence V (11)
|
MRYFD |
30.16 |
30.11 |
-0.05 |
| 2 |
Dougherty, Emily W (11)
|
MRBAD |
31.30 |
31.43 |
0.13 |
| 3 |
Chevalier, Jane B (11)
|
MRBAD |
31.92 |
32.14 |
0.22 |
| 4 |
Wu, Lora W (11)
|
MRYFD |
34.32 |
33.40 |
-0.92 |
| 5 |
Zhu, Allison (11)
|
MRYFD |
33.62 |
34.36 |
0.74 |
| 6 |
Durkovic, Nina (11)
|
MRYFD |
35.41 |
34.85 |
-0.56 |
| 7 |
Silipena, Gwen (11)
|
NJSCY |
36.19 |
34.94 |
-1.25 |
| 8 |
Masella, Catherine R (11)
|
MRYFD |
34.79 |
36.57 |
1.78 |
| 9 |
McGlynn, Clare E (11)
|
MRBAD |
36.15 |
37.22 |
1.07 |
| 10 |
McLoughlin, McKayla E (11)
|
MRBAD |
38.34 |
38.34 |
0.00 |
| 11 |
Anderson, Ava (11)
|
NJSCY |
38.92 |
38.63 |
-0.29 |
| 12 |
Grant, Isabella E (11)
|
MRYFD |
38.05 |
38.93 |
0.88 |
| 13 |
Forbell, Olivia G (11)
|
MRYFD |
51.54 |
41.39 |
-10.15 |
| 14 |
Friedman, Dina M (11)
|
MRCOND |
43.32 |
41.40 |
-1.92 |
| 15 |
Petrie, Alison T (11)
|
MRNYSA |
46.91 |
46.99 |
0.08 |
| 16 |
Costello, Treven M (11)
|
MRYBAR |
46.59 |
47.36 |
0.77 |
|
Iwerks, Cambria L (11)
|
MRYFD |
44.06 |
DQ |
- |
|
Sassoon, Rebecca T (11)
|
MRYFD |
38.47 |
NS |
- |