| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yoo, Katie C (17)
|
NJSCAR |
55.06 |
56.19 |
1.13 |
| 2 |
Ruatos, Chastity J (16)
|
NJSCAR |
56.60 |
57.90 |
1.30 |
| 3 |
Gers, Jenna L (16)
|
NJCJAC |
56.19 |
58.66 |
2.47 |
| 4 |
Porter, Grace E (15)
|
NJCJAC |
58.38 |
59.24 |
0.86 |
| 5 |
Pellettiere, Kindra B (15)
|
NJCJAC |
56.66 |
59.45 |
2.79 |
| 6 |
Bendoraitis, Elizabeth C (18)
|
NJSCAR |
1:00.21 |
59.77 |
-0.44 |
| 7 |
DiPietro, Sydney M (17)
|
NJCJAC |
57.82 |
1:00.16 |
2.34 |
| 8 |
Chang, Mia E (17)
|
NJSCAR |
57.55 |
1:00.36 |
2.81 |
| 9 |
Cordero, Francesca M (13)
|
NJSCAR |
1:02.50 |
1:01.79 |
-0.71 |
| 10 |
Yadav, Ruby S (16)
|
NJCJAC |
59.61 |
1:02.81 |
3.20 |
| 11 |
Vassor, Alexa G (14)
|
NJCJAC |
1:05.36 |
1:05.02 |
-0.34 |
| 12 |
Appio, Zoe S (18)
|
NJCJAC |
59.17 |
1:06.23 |
7.06 |
| 13 |
Nickerson, Allison N (14)
|
NJCJAC |
1:07.00 |
1:07.89 |
0.89 |
| 14 |
Haney, Olivia G (14)
|
NJCJAC |
1:07.11 |
1:08.19 |
1.08 |
| 15 |
Stephens, Alexandra C (14)
|
NJCJAC |
1:09.98 |
1:13.12 |
3.14 |
| 16 |
Kiernan, Alexa S (15)
|
NJCJAC |
1:10.64 |
1:14.98 |
4.34 |
| 17 |
Pohl, Jacqueline M (13)
|
NJCJAC |
1:14.52 |
1:15.46 |
0.94 |