| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bouzarouata, Salma K (10)
|
MRLGAC |
41.79 |
40.13 |
-1.66 |
| 2 |
Karim, Azana S (10)
|
MRLGAC |
41.62 |
40.32 |
-1.30 |
| 3 |
Mendoza, Patricia Victoria G (10)
|
MRFLY |
42.02 |
40.79 |
-1.23 |
| 4 |
Liu, Aurelia A (10)
|
MRLGAC |
49.29 |
42.35 |
-6.94 |
| 5 |
Kwan, Maggie (10)
|
MRNCAC |
43.00 |
43.61 |
0.61 |
| 6 |
Kuliecza, Vivienne R (10)
|
MRMCBY |
48.87 |
45.00 |
-3.87 |
| 7 |
Yang, Tiffany M (10)
|
MRLGAC |
49.09 |
45.52 |
-3.57 |
| 8 |
Estipular, Sharmaine J (10)
|
MRLGAC |
51.34 |
47.03 |
-4.31 |
| 9 |
Lee, Gianna (10)
|
MRCIY |
50.14 |
47.48 |
-2.66 |
| 10 |
Secilmis, Elisa B (9)
|
MRLGAC |
53.79 |
48.38 |
-5.41 |
| 11 |
Rodriguez, Natalia R (10)
|
MRFLY |
50.22 |
48.51 |
-1.71 |
| 12 |
Lin, Wenxi (9)
|
MRCIY |
54.35 |
49.11 |
-5.24 |
| 13 |
Hasimaj, Briana (10)
|
MRMCBY |
1:00.03 |
51.08 |
-8.95 |
| 14 |
Wong, Rebecca (8)
|
MRNCAC |
52.00 |
51.35 |
-0.65 |
| 15 |
Jean-Charles, Guyveline O (10)
|
MRCIY |
54.26 |
54.36 |
0.10 |
| 16 |
Akdas, Julia (9)
|
MRLGAC |
55.16 |
55.33 |
0.17 |
| 17 |
Hasimaj, Keila (8)
|
MRMCBY |
1:06.47 |
56.11 |
-10.36 |
| 18 |
Brennan, Valentina F (10)
|
MRCIY |
1:00.33 |
58.09 |
-2.24 |
| 19 |
Wangmo, Karma (8)
|
MRLGAC |
1:13.09 |
59.66 |
-13.43 |
| 20 |
O'Sullivan, Brinan K (7)
|
MRLGAC |
1:04.59 |
1:00.68 |
-3.91 |
|
Loftus, Ava E (10)
|
MRCIY |
49.78 |
DQ |
- |
|
Chen, Chiara (10)
|
MRNCAC |
47.00 |
NS |
- |