| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Volchansky, Emily (11)
|
MAT85 |
42.77 |
42.30 |
-0.47 |
| 2 |
Eun, Kellie (12)
|
MAT85 |
|
46.98 |
- |
| 3 |
Kopcho, Julia L (11)
|
MASTRM |
48.35 |
47.23 |
-1.12 |
| 4 |
Fletcher, Maddie L (11)
|
MASTRM |
47.01 |
47.64 |
0.63 |
| 5 |
Schmid, Madeline L (11)
|
MASTRM |
52.34 |
48.18 |
-4.16 |
| 6 |
Auckett-Stowe, Geneva (11)
|
MALIFE |
|
48.93 |
- |
| 7 |
Werner, Julia (11)
|
MALIFE |
59.99 |
53.09 |
-6.90 |
| 8 |
Kuk, Abigail J (12)
|
MASTRM |
52.32 |
54.89 |
2.57 |
| 9 |
Mull, Addison M (11)
|
MASTRM |
1:04.23 |
58.55 |
-5.68 |
| 10 |
Sims, Lily C (11)
|
MALIFE |
|
1:00.22 |
- |
| 11 |
Jones, Aidyn S (11)
|
MASTRM |
1:03.46 |
1:00.60 |
-2.86 |
|
Martinez, Eliza N (11)
|
MASTRM |
|
DQ |
- |
|
Mohammed, Zaima N (12)
|
MASTRM |
|
NS |
- |
|
Fichera, Sophia (11)
|
MALIFE |
|
NS |
- |
|
Michailovsky, Diana A (11)
|
MALIFE |
|
NS |
- |
|
Waslin, Josephine C (11)
|
MALIFE |
|
NS |
- |