| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vassallo, Emma J (12)
|
MRYMID |
1:14.27 |
1:15.00 |
0.73 |
| 2 |
Epps, Emani N (12)
|
MRBKR |
1:18.53 |
1:16.31 |
-2.22 |
| 3 |
Boyle, Quinn G (12)
|
MRYMID |
1:18.71 |
1:17.55 |
-1.16 |
| 4 |
Laguardia, Rafaela Salustia (12)
|
MRMAKO |
1:20.92 |
1:18.65 |
-2.27 |
| 5 |
Plauche, Mackenzie (11)
|
MRYMID |
1:29.00 |
1:18.79 |
-10.21 |
| 6 |
Reed, Claire K (12)
|
MRTRI |
1:20.54 |
1:20.90 |
0.36 |
| 7 |
Modeste, London (11)
|
MRHES |
1:21.85 |
1:21.16 |
-0.69 |
| 8 |
Kapala, Maya B (11)
|
MRQNS |
1:21.46 |
1:22.05 |
0.59 |
| 9 |
Lamberti, Patricia J (12)
|
MRTRI |
1:24.31 |
1:23.41 |
-0.90 |
| 10 |
McGee, Leah T (12)
|
MRBKR |
1:38.72 |
1:27.15 |
-11.57 |
| 11 |
Isley, Aria S (12)
|
MRBKR |
1:30.61 |
1:28.39 |
-2.22 |
| 12 |
Philippe, Melissa (11)
|
MRTRI |
1:25.78 |
1:29.28 |
3.50 |
| 13 |
Wu, Amelie J (12)
|
MRMAKO |
|
1:31.32 |
- |
| 14 |
Suzuki, Danielle A (12)
|
MRQNS |
1:33.45 |
1:33.11 |
-0.34 |
| 15 |
Farbman, Malin S (12)
|
MRMAKO |
1:35.78 |
1:34.07 |
-1.71 |
| 16 |
Saracena, Lily M (11)
|
MRQNS |
2:00.40 |
1:34.43 |
-25.97 |
| 17 |
Chao, Serena Y (11)
|
MRTRI |
1:53.53 |
1:35.80 |
-17.73 |
| 18 |
Nishizaka, Lina (11)
|
MRQNS |
1:32.67 |
1:37.87 |
5.20 |
| 19 |
Munoz, Clara D (11)
|
MRBKR |
1:39.60 |
1:38.08 |
-1.52 |
| 20 |
Lynch, Harper R (11)
|
MRQNS |
|
1:38.19 |
- |
| 20 |
Pierce, Olivia L (12)
|
MRTRI |
1:35.85 |
1:38.19 |
2.34 |
| 22 |
Lizzi, Beatrice (11)
|
MRMAKO |
1:36.65 |
1:39.52 |
2.87 |
| 23 |
Baldwin, Emily (11)
|
MRMAKO |
1:39.73 |
1:39.87 |
0.14 |
| 24 |
Bagwell, Rosie (11)
|
MRLIFE |
1:38.35 |
1:40.81 |
2.46 |
| 25 |
Weiss, Ella (11)
|
MRMAKO |
1:46.52 |
1:41.63 |
-4.89 |
| 26 |
Kimble, Karis (11)
|
MRYMID |
1:54.54 |
1:47.02 |
-7.52 |
| 27 |
Chaki, Uma (11)
|
MRMAKO |
1:58.41 |
1:59.10 |
0.69 |