| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ferguson, Zuri S (12)
|
NEABF |
1:08.97 |
1:09.91 |
0.94 |
| 2 |
Egerton, Elissa K (12)
|
CTRAC |
1:12.76 |
1:14.75 |
1.99 |
| 3 |
Mattiazzi, Isabella (12)
|
NJCBGC |
1:14.49 |
1:17.46 |
2.97 |
| 4 |
Perez, Brianna M (12)
|
MRNYSA |
1:09.25 |
1:17.48 |
8.23 |
| 5 |
MacDonald, Addison L (12)
|
NEABF |
1:16.80 |
1:17.64 |
0.84 |
| 6 |
Anderson, Samantha R (11)
|
MRLIAC |
1:17.62 |
1:18.51 |
0.89 |
| 6 |
O'Malley, Eden G (12)
|
CTRAC |
1:21.38 |
1:18.51 |
-2.87 |
| 8 |
Edge, Lauren E (12)
|
MRUN |
1:20.77 |
1:20.23 |
-0.54 |
| 9 |
Chyshkevych, Renata (12)
|
NJCBGC |
1:19.17 |
1:20.50 |
1.33 |
| 10 |
Muncy, Madeline J (11)
|
CTRAC |
1:17.97 |
1:20.71 |
2.74 |
| 11 |
Losada, Aleksandra (12)
|
MRNYSA |
1:20.93 |
1:24.15 |
3.22 |
| 12 |
Dolby, Frankie N (12)
|
NEUN |
1:20.01 |
1:24.88 |
4.87 |