| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wurtz, Lilly (12)
|
NJSRAY |
1:09.07 |
1:08.68 |
-0.39 |
| 2 |
Gulka, Caroline E (12)
|
NJCJAC |
1:08.90 |
1:08.71 |
-0.19 |
| 3 |
Amster, Ella A (11)
|
NJCJAC |
1:13.65 |
1:11.67 |
-1.98 |
| 4 |
Hartmann, Elisabeth M (12)
|
NJEEX |
1:11.31 |
1:12.31 |
1.00 |
| 5 |
Gmelich, McLane S (11)
|
NJCJAC |
1:12.75 |
1:12.89 |
0.14 |
| 6 |
Neglio, Melissa S (12)
|
NJFOBY |
1:12.88 |
1:13.41 |
0.53 |
| 7 |
Diaz-Montoya, Galia (12)
|
NJFOBY |
1:16.59 |
1:15.16 |
-1.43 |
| 8 |
Lvov, Elinor (12)
|
NJFOBY |
1:17.72 |
1:15.88 |
-1.84 |
| 9 |
Lorish, Vani (12)
|
NJEEX |
1:15.69 |
1:15.93 |
0.24 |
| 10 |
Bendokas, Tessa (11)
|
NJMB |
1:17.36 |
1:16.85 |
-0.51 |
| 11 |
Pajaro, Sarah (11)
|
NJSWST |
1:21.26 |
1:17.27 |
-3.99 |
| 12 |
Martinez, Mariana (11)
|
NJSRAY |
1:20.13 |
1:17.39 |
-2.74 |
| 13 |
Vill, Christine E (11)
|
NJFOBY |
1:17.91 |
1:17.85 |
-0.06 |
| 14 |
Burton, Sophia M (11)
|
NJPPST |
1:16.96 |
1:18.08 |
1.12 |
| 15 |
Muller, Alexa J (12)
|
NJNJRC |
1:17.55 |
1:18.50 |
0.95 |
| 16 |
Shay, Lili R (11)
|
NJFOBY |
1:19.34 |
1:19.31 |
-0.03 |
| 17 |
DiVenti, Katherine (11)
|
NJPPST |
1:19.61 |
1:19.97 |
0.36 |
| 18 |
Weisenhart, Caitlin E (12)
|
NJMB |
1:20.78 |
1:20.95 |
0.17 |