| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Reis, Sophie M (11)
|
MREAST |
1:21.45 |
1:20.11 |
-1.34 |
| 2 |
Cioffi, Fiamma (12)
|
MREAST |
1:23.37 |
1:22.26 |
-1.11 |
| 3 |
Brenner, Alexandra R (12)
|
MREAST |
1:28.23 |
1:29.93 |
1.70 |
| 4 |
Xie, Emily (10)
|
MREAST |
1:39.48 |
1:32.94 |
-6.54 |
| 5 |
Kohli, Eshani (11)
|
MREAST |
1:39.26 |
1:34.34 |
-4.92 |
| 6 |
Bloch, Lylah H (10)
|
MREAST |
1:39.13 |
1:35.04 |
-4.09 |
| 7 |
Corvalan, Zoe A (10)
|
MREAST |
1:36.54 |
1:36.46 |
-0.08 |
| 8 |
Campanelli, Violet M (10)
|
MREAST |
2:01.87 |
1:53.29 |
-8.58 |
|
Bochynska, Matylda (11)
|
MREAST |
2:01.88 |
DQ |
- |
|
Durante, Isabella R (11)
|
MREAST |
1:41.90 |
DQ |
- |
|
Ziegler, Reya E (10)
|
MREAST |
1:59.25 |
DQ |
- |
|
Alexander, Hannah E (10)
|
MRPAC |
2:30.64 |
DQ |
- |
|
Hogue, Beatrice A (11)
|
MREAST |
1:22.51 |
NS |
- |
|
Sheldon, Stella A (12)
|
MREAST |
2:03.98 |
NS |
- |