| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jeong, Soomin (14)
|
NESSYS |
1:10.27 |
1:09.99 |
-0.28 |
| 2 |
Fernandes, Sarah H (14)
|
NENSSC |
1:12.65 |
1:12.97 |
0.32 |
| 3 |
Agbonjiazoe, Annadelle O (14)
|
NEICMY |
1:11.27 |
1:13.02 |
1.75 |
| 4 |
Capellan, Scarlett R (13)
|
NEICMY |
1:22.15 |
1:18.30 |
-3.85 |
| 5 |
Yen, Isabella G (13)
|
NENSSC |
1:18.81 |
1:20.22 |
1.41 |
| 6 |
DeBarros, Neah (14)
|
NEGFA |
1:25.28 |
1:20.69 |
-4.59 |
| 7 |
Perez, Arissa Y (13)
|
NEGFA |
1:31.00 |
1:21.59 |
-9.41 |
| 8 |
Rawlins, Denelle M (13)
|
NEICMY |
1:25.18 |
1:22.12 |
-3.06 |
| 9 |
Semmes, Amelia G (14)
|
NENSSC |
1:29.61 |
1:23.13 |
-6.48 |
| 10 |
Kariuki, Viktoria N (13)
|
NENSSC |
1:22.76 |
1:23.36 |
0.60 |
| 11 |
Gazaille, Mia (13)
|
NENANT |
1:25.17 |
1:25.64 |
0.47 |
| 12 |
Rivera, Deylin Y (13)
|
NEICMY |
1:25.88 |
1:26.63 |
0.75 |
| 13 |
Andronesi, Anamaria C (13)
|
NENSSC |
1:33.41 |
1:29.31 |
-4.10 |
| 14 |
Patodia, Mira (13)
|
NENSSC |
1:34.54 |
1:35.06 |
0.52 |
|
Finkley, Leah S (13)
|
NEICMY |
1:14.45 |
DQ |
- |