| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Smalera, Frances A (15)
|
PVMACH |
1:17.17 |
1:16.91 |
-0.26 |
| 2 |
Morris Larkin, Mari Klaire (17)
|
PVMACH |
1:17.07 |
1:16.93 |
-0.14 |
| 3 |
Collier, Magdalena A (16)
|
PVNCAP |
1:18.12 |
1:17.55 |
-0.57 |
| 4 |
Kang, Gianna H (15)
|
PVNCAP |
1:14.69 |
1:17.70 |
3.01 |
| 5 |
Martinez, Paige M (17)
|
PVNCAP |
1:17.31 |
1:18.09 |
0.78 |
| 6 |
Brown, Elizabeth H (16)
|
PVNCAP |
1:16.13 |
1:18.50 |
2.37 |
| 7 |
Clocker, Mia S (16)
|
PVNCAP |
1:15.76 |
1:19.28 |
3.52 |
| 8 |
Levi, Eleanor M (16)
|
PVNCAP |
1:22.30 |
1:23.13 |
0.83 |
| 9 |
Norman, Clarke A (15)
|
PVNCAP |
1:26.79 |
1:25.67 |
-1.12 |
| 10 |
Wang, Joylyn Y (15)
|
PVMACH |
1:26.46 |
1:29.22 |
2.76 |
|
Kaplan, Sophie P (16)
|
PVNCAP |
1:18.46 |
NS |
- |
|
Lall, Maya N (16)
|
PVNCAP |
1:20.83 |
NS |
- |
|
Palmerino, Lily M (15)
|
PVNCAP |
1:17.18 |
NS |
- |