| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tjahaya, Nikko I (12)
|
MRQNS |
1:19.27 |
1:16.64 |
-2.63 |
| 2 |
Tse, Kaitlyn A (12)
|
MRIA |
1:19.93 |
1:19.11 |
-0.82 |
| 3 |
Lyons, Sophia J (12)
|
MRLIAC |
1:25.66 |
1:23.68 |
-1.98 |
| 4 |
Torres, Sofia R (12)
|
MRBAD |
1:21.90 |
1:23.74 |
1.84 |
| 5 |
Lee, Yuna (12)
|
MRLIAC |
1:23.94 |
1:24.21 |
0.27 |
| 6 |
Messinger-Nanni, Julia J (12)
|
MRAGUA |
1:26.31 |
1:25.14 |
-1.17 |
| 7 |
Crisostomo, Samantha B (12)
|
MRAGUA |
1:27.67 |
1:25.75 |
-1.92 |
| 8 |
Kong, Athena (12)
|
MRLIAC |
1:28.48 |
1:27.02 |
-1.46 |
| 9 |
Lam, Kylie L (12)
|
MRQNS |
1:28.43 |
1:27.06 |
-1.37 |
| 10 |
McCall, Veronica L (11)
|
MRYFD |
1:18.96 |
1:27.48 |
8.52 |
| 11 |
Aydin, Zoey L (12)
|
MRPAC |
1:17.51 |
1:27.57 |
10.06 |
| 12 |
Briceno, Isabella (11)
|
MRNYSA |
1:27.53 |
1:27.71 |
0.18 |
| 13 |
Calone, Emilia R (12)
|
MRNYSA |
1:28.53 |
1:28.92 |
0.39 |
| 14 |
White, Finley M (12)
|
MRBGNW |
1:28.03 |
1:30.46 |
2.43 |
| 15 |
Arciniegas, Alessandra (12)
|
MRCOND |
1:28.68 |
1:31.42 |
2.74 |
| 16 |
Huang, Cheri K (12)
|
MRFREE |
1:22.51 |
1:32.13 |
9.62 |
| 17 |
Mounier, Victoria (11)
|
MRYMID |
1:17.67 |
1:32.41 |
14.74 |
| 18 |
Brady, Meghan E (12)
|
MRTVSC |
1:18.71 |
1:33.00 |
14.29 |
|
Donegain, Kaitlin A (12)
|
MRIA |
1:16.91 |
NS |
- |