| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yoo, Emily (10)
|
NJWFY |
1:17.60 |
1:16.49 |
-1.11 |
| 2 |
Horkan, Kathryn E (10)
|
NJWFY |
1:19.81 |
1:19.78 |
-0.03 |
| 3 |
Jones, Ella P (9)
|
NJXCEL |
1:26.39 |
1:26.21 |
-0.18 |
| 4 |
McGirt, Elise (8)
|
NJNJBL |
1:24.36 |
1:30.34 |
5.98 |
| 5 |
Schinsky, Elinor K (10)
|
NJEEX |
1:35.62 |
1:33.65 |
-1.97 |
| 6 |
Kim, Angelina (8)
|
NJWAVE |
1:31.83 |
1:35.05 |
3.22 |
| 7 |
Yu, Temmie (10)
|
NJWFY |
1:35.17 |
1:35.21 |
0.04 |
| 8 |
Gers, Jenna L (10)
|
NJCJAC |
1:30.62 |
1:37.61 |
6.99 |
| 9 |
Vargas, Mya (9)
|
NJCBGC |
1:41.08 |
1:38.01 |
-3.07 |
| 10 |
Cecoltan, Catalina F (10)
|
NJWFY |
1:33.56 |
1:38.12 |
4.56 |
| 11 |
Tse, Sylvia (10)
|
NJWAVE |
1:38.58 |
1:38.14 |
-0.44 |
| 12 |
Ye, Emily (10)
|
NJXCEL |
1:42.27 |
1:43.54 |
1.27 |
| 13 |
Modebadze, Sophie (10)
|
NJCBGC |
1:48.65 |
1:44.68 |
-3.97 |
| 14 |
Paul, Katherine A (9)
|
NJWFY |
1:35.74 |
1:45.97 |
10.23 |
| 15 |
Kim, Beatrix (9)
|
NJXCEL |
1:44.64 |
1:46.84 |
2.20 |
| 16 |
Kaminsky, Katherine A (9)
|
NJWFY |
1:47.87 |
1:49.87 |
2.00 |
|
Baik, Haeun J (10)
|
NJWFY |
1:55.66 |
DQ |
- |