| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Udomsilp, Natalie (11)
|
MRLGAC |
32.02 |
31.92 |
-0.10 |
| 2 |
Minchala, Emily D (12)
|
MRFLY |
34.18 |
32.87 |
-1.31 |
| 3 |
Alexander, Ayla S (12)
|
MRLGAC |
34.02 |
34.05 |
0.03 |
| 4 |
Wong, Madeleine C (12)
|
MRFLY |
|
34.60 |
- |
| 5 |
Beleffi, Bianca (12)
|
MRLGAC |
36.62 |
37.08 |
0.46 |
| 6 |
Lama, Kesang J (12)
|
MRLGAC |
42.68 |
39.60 |
-3.08 |
| 7 |
Looi, Denise (12)
|
MRCIY |
40.72 |
40.61 |
-0.11 |
| 8 |
Charalambous, Olivia P (12)
|
MRHYB |
42.62 |
42.38 |
-0.24 |
| 9 |
Mani, Veda (12)
|
MRCIY |
45.27 |
46.89 |
1.62 |
| 10 |
Graham, Calliope L (11)
|
MRRED |
45.01 |
47.31 |
2.30 |
| 11 |
Shneerson, Ilona (12)
|
MRRED |
49.25 |
47.93 |
-1.32 |
| 12 |
Solly, Amaris (11)
|
MRFLY |
57.98 |
49.96 |
-8.02 |
| 13 |
Jaquez, Camila B (11)
|
MRRED |
51.60 |
56.98 |
5.38 |
| 14 |
Mardosa, Sophia R (12)
|
MRHYB |
|
1:00.69 |
- |
| 15 |
Prevatt- Dillah, Amelia N (12)
|
MRRED |
1:00.71 |
1:03.89 |
3.18 |
|
Mattocks, Viktoria (11)
|
MRHYB |
41.51 |
NS |
- |
|
Patala, Lhanzi P (11)
|
MRLGAC |
41.98 |
NS |
- |