| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ford, Garrity A (12)
|
MAPAAC |
28.97 |
30.19 |
1.22 |
| 1 |
Traub, Celia B (11)
|
MAPAAC |
36.58 |
34.50 |
-2.08 |
| 1 |
Cerimele, Sophia A (11)
|
MAPAAC |
34.22 |
35.47 |
1.25 |
| 2 |
Tewksbury, Madison O (12)
|
MAPAAC |
31.95 |
31.74 |
-0.21 |
| 2 |
Karnhaukhova, Anastasiya (12)
|
MATRA |
|
36.88 |
- |
| 3 |
Hoyer, Alexis A (11)
|
MAUN |
|
37.65 |
- |
| 4 |
Camden, Madison N (11)
|
MAPAAC |
38.13 |
37.79 |
-0.34 |
| 5 |
Mains-Ferrier, Madison M (12)
|
MAPAAC |
43.46 |
40.44 |
-3.02 |
| 6 |
Noldy, Jessie (12)
|
MAGSY |
|
43.27 |
- |
| 7 |
Hoang, Grace T (11)
|
MAPAAC |
|
51.39 |
- |
|
Waked, Christelle M (11)
|
MATRA |
40.97 |
DQ |
- |
|
Chiu, Jasmine S (12)
|
MAUN |
|
NS |
- |