| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Xie, Emily (10)
|
MREAST |
39.90 |
36.26 |
-3.64 |
| 2 |
McDonald, Isabel C (12)
|
MREAST |
40.28 |
36.69 |
-3.59 |
| 3 |
Durante, Isabella R (11)
|
MREAST |
|
38.05 |
- |
| 4 |
Krogsgaard, Linnea A (10)
|
MREAST |
48.19 |
47.06 |
-1.13 |
| 5 |
Bochynska, Matylda (11)
|
MREAST |
|
48.49 |
- |
| 6 |
Campanelli, Violet M (10)
|
MREAST |
46.97 |
50.26 |
3.29 |
| 7 |
Djokovic-Farrugia, Lina M (10)
|
MREAST |
53.80 |
52.15 |
-1.65 |
| 8 |
Jensen, Remi M (10)
|
MRPAC |
59.64 |
54.72 |
-4.92 |
| 9 |
Mytych, Madison L (10)
|
MREAST |
|
1:01.53 |
- |
| 10 |
Giorgio, Ela D (11)
|
MREAST |
|
1:06.56 |
- |
|
Masters, Katherine L (12)
|
MREAST |
32.97 |
NS |
- |
|
Shi, Chuqing (11)
|
MREAST |
1:17.60 |
NS |
- |