| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yehudah, Shiloh (12)
|
MRCAS |
1:20.31 |
1:16.94 |
-3.37 |
| 1 |
Block, Miella O (12)
|
MRUN |
1:20.62 |
1:20.38 |
-0.24 |
| 2 |
Wozniak, Caroline (11)
|
MRLIFE |
1:20.29 |
1:17.84 |
-2.45 |
| 2 |
Wang, Emma L (12)
|
MRAPEX |
1:22.35 |
1:20.56 |
-1.79 |
| 3 |
Walsh, Alina (12)
|
MRAPEX |
1:31.02 |
1:27.53 |
-3.49 |
| 4 |
Blades, Illiana (11)
|
MRMAKO |
1:30.90 |
1:30.13 |
-0.77 |
| 5 |
Kokodyniak, Stella S (11)
|
MRBKR |
1:20.95 |
1:31.88 |
10.93 |
| 6 |
Schulman, Maya L (11)
|
MRBKR |
1:39.64 |
1:36.23 |
-3.41 |
| 7 |
Jiang, Charlotte (11)
|
MRST |
1:39.72 |
1:40.09 |
0.37 |
| 8 |
Mai, Naida (12)
|
MRST |
1:37.59 |
1:42.32 |
4.73 |
| 9 |
Lin, Priscilla (11)
|
MRST |
1:46.20 |
1:42.44 |
-3.76 |
| 10 |
McElhatton, Ailish B (11)
|
MRCOND |
2:05.36 |
1:52.00 |
-13.36 |
|
Hatcher-Miranda, Noelle (11)
|
MRAPEX |
1:49.87 |
DQ |
- |
|
Wozniak, Natalie (11)
|
MRLIFE |
1:28.59 |
DQ |
- |
|
Hatcher-Miranda, Ava (11)
|
MRAPEX |
1:49.03 |
NS |
- |
|
Lee, Madison (11)
|
MRST |
1:37.48 |
NS |
- |