| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gmelich, McLane S (17)
|
NJCJAC |
59.48 |
1:00.67 |
1.19 |
| 2 |
McKinney, Erin (17)
|
NJWY |
1:03.48 |
1:02.24 |
-1.24 |
| 3 |
Pellettiere, Kindra B (16)
|
NJCJAC |
1:01.43 |
1:02.44 |
1.01 |
| 4 |
Chiang, Mia F (16)
|
NJNJRC |
1:02.96 |
1:04.52 |
1.56 |
| 5 |
Montanari, Isabella L (16)
|
NJMB |
1:04.54 |
1:05.83 |
1.29 |
| 6 |
Burke, Alexandra A (15)
|
NJCJAC |
1:07.54 |
1:08.01 |
0.47 |
| 7 |
Riordan, Katherine (16)
|
NJWY |
1:08.06 |
1:09.47 |
1.41 |
| 8 |
DeVincens, Bennett L (15)
|
NJNJRC |
1:04.28 |
1:11.06 |
6.78 |
| 9 |
Neglio, Melissa S (17)
|
NJMB |
1:07.91 |
1:13.01 |
5.10 |
| 10 |
Weiss, Elisabeth N (15)
|
NJMB |
1:12.11 |
1:13.24 |
1.13 |
| 11 |
Masonius, Sophie R (15)
|
NJMB |
1:10.44 |
1:13.49 |
3.05 |
| 12 |
Parker, Bay A (15)
|
NJNJRC |
1:14.71 |
1:13.55 |
-1.16 |
| 13 |
Clough, Annie M (15)
|
NJNJRC |
1:10.20 |
1:14.43 |
4.23 |
| 14 |
Chowansky, Annie N (18)
|
NJMB |
1:12.24 |
1:14.53 |
2.29 |
| 15 |
Marucci, Madelyn G (17)
|
NJMB |
1:16.86 |
1:14.80 |
-2.06 |
| 16 |
Diab, Alyah M (16)
|
NJNJRC |
1:16.16 |
1:15.15 |
-1.01 |
| 17 |
Green, Nikki E (17)
|
NJMB |
1:14.13 |
1:19.73 |
5.60 |
| 18 |
Nunez, Jillian A (16)
|
NJMB |
1:12.87 |
1:19.82 |
6.95 |
| 19 |
Huston, Mairin R (15)
|
NJMB |
1:29.63 |
1:26.56 |
-3.07 |