| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vardoulias, Katja (11)
|
MRLIE |
33.11 |
31.49 |
-1.62 |
| 1 |
Reyes Aguirre, Juana (11)
|
MRAPEX |
34.09 |
34.73 |
0.64 |
| 2 |
Samko, Clara M (11)
|
MRHS |
33.22 |
31.79 |
-1.43 |
| 2 |
Chen, Audrey (11)
|
MRLIE |
34.18 |
34.98 |
0.80 |
| 3 |
Mendoza, Patricia Victoria G (11)
|
MRFLY |
32.20 |
31.97 |
-0.23 |
| 3 |
Bouzarouata, Salma K (11)
|
MRUN |
34.06 |
36.17 |
2.11 |
| 4 |
Washington, Amira (11)
|
MRTRI$ |
31.56 |
32.05 |
0.49 |
| 4 |
Rodriguez, Natalia R (11)
|
MRFLY |
33.52 |
37.31 |
3.79 |
| 5 |
Kang, Joy (11)
|
MRWEST |
32.30 |
32.13 |
-0.17 |
| 6 |
Serafin, Gwen B (11)
|
MRLIE |
31.54 |
32.21 |
0.67 |
| 7 |
Vilensky, Isabel T (11)
|
MRMPNY |
33.46 |
32.41 |
-1.05 |
| 8 |
O'Neill, Catherine M (11)
|
MRQNS |
33.32 |
32.46 |
-0.86 |
| 9 |
Lord, Sophia (11)
|
MRWEST |
34.06 |
32.55 |
-1.51 |
| 10 |
Tong, Aurey (11)
|
MRQNS |
32.64 |
33.18 |
0.54 |
| 11 |
Meccia, Madison N (11)
|
MRFREE |
34.32 |
33.71 |
-0.61 |