| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Casey, Emma D (11)
|
MREAST |
34.79 |
34.15 |
-0.64 |
| 2 |
Hogue, Beatrice A (10)
|
MREAST |
|
36.64 |
- |
| 3 |
Asante, Abigail O (10)
|
CTZEUS |
38.03 |
39.11 |
1.08 |
| 4 |
Goldstein, Sabrina G (12)
|
CTZEUS |
42.32 |
41.61 |
-0.71 |
| 5 |
Castellanos, Sofia (10)
|
CTZEUS |
49.16 |
41.78 |
-7.38 |
| 6 |
Durante, Isabella R (11)
|
MREAST |
|
42.15 |
- |
| 7 |
McDonald, Isabel C (11)
|
MREAST |
44.00 |
42.93 |
-1.07 |
| 8 |
Chang, Barbara A (10)
|
MREAST |
|
43.37 |
- |
| 9 |
Sood, Kimaya K (12)
|
MREAST |
43.95 |
43.89 |
-0.06 |
| 10 |
Bates, Pilar P (10)
|
MREAST |
|
44.31 |
- |
| 11 |
Toquica, Iyanna (10)
|
CTZEUS |
54.88 |
46.63 |
-8.25 |
| 12 |
Krogsgaard, Astrid G (10)
|
MREAST |
48.12 |
48.53 |
0.41 |
| 13 |
Shi, Chuqing (11)
|
MREAST |
58.27 |
50.59 |
-7.68 |
| 14 |
Vira, Isha B (10)
|
MREAST |
|
51.45 |
- |