| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chucaralao, Andrea Z (10)
|
NJMDY |
45.49 |
42.11 |
-3.38 |
| 2 |
Contini, Emelie (9)
|
NJSWST |
50.00 |
48.39 |
-1.61 |
| 3 |
Buckholtz, Emilia J (9)
|
NJSTAC |
57.75 |
52.99 |
-4.76 |
| 4 |
Comstock, Riley C (8)
|
NJSTAC |
56.47 |
54.65 |
-1.82 |
| 5 |
Hernandez, Cecilia K (9)
|
NJSTAC |
57.12 |
55.85 |
-1.27 |
| 6 |
Vargas-Jurgens, Katelynn L (9)
|
NJMDY |
1:03.09 |
57.65 |
-5.44 |
| 7 |
Saleh, Lina A (7)
|
NJBB |
1:02.06 |
1:01.84 |
-0.22 |
| 8 |
Bhanushali, Jiya (9)
|
NJSWST |
1:20.00 |
1:09.82 |
-10.18 |
|
Matejczuk, Antonina B (9)
|
NJBB |
51.32 |
DQ |
- |
|
Moss, Michaela A (10)
|
NJBB |
1:00.70 |
DQ |
- |
|
Zimmerman, Adriana J (8)
|
NJSWST |
51.08 |
DQ |
- |