| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Iris B (14)
|
NJSCAR |
58.16 |
59.33 |
1.17 |
| 2 |
Kim, Chloe (14)
|
NJSCAR |
1:00.54 |
59.36 |
-1.18 |
| 3 |
Hamill, Emily C (14)
|
MAGAAC |
57.90 |
1:00.36 |
2.46 |
| 4 |
Jung, Rebekah (14)
|
NJSCAR |
1:03.21 |
1:02.27 |
-0.94 |
| 5 |
Builes, Mariana I (13)
|
NJSCAR |
1:03.82 |
1:04.77 |
0.95 |
| 6 |
Jones, Camryn L (13)
|
MAGAAC |
1:03.74 |
1:05.25 |
1.51 |
| 7 |
Perez, Zoe A (14)
|
NJSCAR |
1:05.81 |
1:07.15 |
1.34 |
| 8 |
Lo, Julia (14)
|
NJNJBL |
1:03.60 |
1:07.23 |
3.63 |
| 9 |
Tapia, Danna V (13)
|
NJCBGC |
1:06.10 |
1:07.87 |
1.77 |
| 10 |
Dominguez, Ashaly (14)
|
NJCBGC |
1:06.49 |
1:08.23 |
1.74 |
| 11 |
Cordero, Francesca M (13)
|
NJSCAR |
1:10.97 |
1:08.70 |
-2.27 |
| 12 |
Karnaugh, Petra M (14)
|
NJSCAR |
1:10.00 |
1:08.80 |
-1.20 |
| 13 |
Chyshkevych, Renata (14)
|
NJCBGC |
1:08.95 |
1:10.21 |
1.26 |
| 14 |
Simonetti, Elsa B (14)
|
MAGAAC |
1:09.29 |
1:12.06 |
2.77 |
| 15 |
Alvarez, Mia M (13)
|
NJCBGC |
1:15.19 |
1:13.72 |
-1.47 |
| 16 |
Torres, Sophia R (13)
|
NJSCAR |
1:17.00 |
1:13.82 |
-3.18 |
| 17 |
Huttner, Sophie J (14)
|
NJSCAR |
1:18.00 |
1:15.73 |
-2.27 |
| 18 |
Stewart, Victoria A (14)
|
NJSCAR |
1:20.00 |
1:15.77 |
-4.23 |
| 19 |
Antonio, Justine Isabel G (13)
|
NJSCAR |
1:33.26 |
1:41.32 |
8.06 |