| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gallagher, Rachel J (11)
|
MAJW |
1:17.58 |
1:18.56 |
0.98 |
| 1 |
Marker, Taylor R (12)
|
MAMAR |
1:31.88 |
1:29.37 |
-2.51 |
| 2 |
Tonelli, Evangelia M (12)
|
MAJW |
1:21.71 |
1:19.26 |
-2.45 |
| 2 |
Nishikawa, Sarah (12)
|
MAACAC |
1:41.29 |
1:33.41 |
-7.88 |
| 3 |
Dimter, Emma L (12)
|
MAJW |
1:21.70 |
1:20.10 |
-1.60 |
| 3 |
Lai, Adriana M (11)
|
MAJW |
1:36.23 |
1:36.16 |
-0.07 |
| 4 |
Cullen, Molly H (11)
|
NJRA |
1:26.12 |
1:22.44 |
-3.68 |
| 4 |
Borzillo, Ava M (12)
|
MAJW |
1:35.94 |
1:37.04 |
1.10 |
| 5 |
McCoy, Jade N (12)
|
MAMAR |
1:27.35 |
1:22.54 |
-4.81 |
| 5 |
Wagner, Kaitlyn F (11)
|
MAJW |
1:40.21 |
1:37.94 |
-2.27 |
| 6 |
Suleski, Kyra G (11)
|
MAJW |
1:24.72 |
1:25.13 |
0.41 |
| 6 |
Eng, Kaitlyn (12)
|
MAT85 |
|
1:44.84 |
- |
| 7 |
Hung, Danielle Hana T (11)
|
MAACAC |
1:22.01 |
1:26.15 |
4.14 |
| 7 |
Manem, Gowri S (12)
|
MAJW |
1:49.81 |
1:47.54 |
-2.27 |
| 8 |
Costa, Carina G (12)
|
MAMAR |
1:23.08 |
1:26.48 |
3.40 |
| 8 |
Caraballo, Angelina W (11)
|
MAMAR |
2:01.20 |
1:51.42 |
-9.78 |