| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rynkiewicz, Bailey A (15)
|
NJLHY |
59.05 |
59.33 |
0.28 |
| 2 |
Kong, Michelle (16)
|
NJFSPY |
1:00.16 |
1:00.07 |
-0.09 |
| 3 |
Lee, Natalie (15)
|
NJFSPY |
59.62 |
1:00.73 |
1.11 |
| 4 |
Reinhardt, Gillian E (16)
|
NJSVY |
1:00.84 |
1:00.92 |
0.08 |
| 5 |
Iizuka, Monica (17)
|
NJLHY |
1:00.99 |
1:01.04 |
0.05 |
| 6 |
Fox, Reilly O (15)
|
NJRY |
1:01.84 |
1:01.25 |
-0.59 |
| 7 |
Pina, Amanda (15)
|
NJFSPY |
1:01.87 |
1:01.58 |
-0.29 |
| 8 |
Callahan, Sophie B (16)
|
NJSHY |
1:01.02 |
1:01.82 |
0.80 |
| 9 |
Armstrong, Margot O (16)
|
NJSAY |
1:01.42 |
1:02.19 |
0.77 |
| 10 |
O'Reilly, Claudia K (16)
|
NJSVY |
1:02.67 |
1:02.71 |
0.04 |
| 11 |
Gilio-Malabre, Christina (16)
|
NJMYM |
1:04.21 |
1:03.95 |
-0.26 |
| 12 |
Hannis, Madigan B (16)
|
NJSHY |
1:04.85 |
1:04.40 |
-0.45 |
|
Tarantola, Mia J (17)
|
NJLHY |
59.41 |
NS |
- |
|
Smith, Samantha K (17)
|
NJSHY |
1:02.54 |
NS |
- |