| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Perr, Abbie (10)
|
MRLGAC |
33.35 |
33.54 |
0.19 |
| 2 |
YU, Hailey G (10)
|
MRLGAC |
35.28 |
35.29 |
0.01 |
| 3 |
Beleffi, Agata (10)
|
MRLGAC |
36.60 |
35.45 |
-1.15 |
| 4 |
Czaja, Julia O (9)
|
MRLGAC |
42.38 |
36.88 |
-5.50 |
| 5 |
Henriquez, Alexa (10)
|
MRFLY |
39.87 |
38.53 |
-1.34 |
| 6 |
Ulloa, Ivania A (9)
|
MRFLY |
51.47 |
41.96 |
-9.51 |
| 7 |
Lee, Evelina M (10)
|
MRLGAC |
42.12 |
41.98 |
-0.14 |
| 8 |
Sieber, Ariel M (10)
|
MRCIY |
43.88 |
42.53 |
-1.35 |
| 9 |
Fagot, Daniellyn (10)
|
MRFLY |
48.94 |
43.04 |
-5.90 |
| 10 |
Tenzin, Seldon (10)
|
MRLGAC |
55.56 |
44.22 |
-11.34 |
| 11 |
Khamtong, Thutcharida (8)
|
MRLGAC |
55.13 |
44.37 |
-10.76 |
| 12 |
Dorjee, Ngawang C (9)
|
MRLGAC |
48.44 |
44.39 |
-4.05 |
| 13 |
Bicic, Nia (10)
|
MRLGAC |
53.08 |
44.58 |
-8.50 |
| 14 |
Dellagiovanna, Eva E (10)
|
MRCIY |
48.50 |
45.72 |
-2.78 |
| 15 |
Lhundup, Pema T (9)
|
MRLGAC |
50.07 |
46.86 |
-3.21 |
| 16 |
Sohn, Gabrielle S (10)
|
MRLGAC |
|
48.91 |
- |
| 17 |
Vallejo, Penelope (9)
|
MRFLY |
|
52.42 |
- |
| 18 |
Ospina, Alicia (10)
|
MRFLY |
|
53.84 |
- |
| 19 |
Wang, Jayka (8)
|
MRFLY |
|
56.30 |
- |
| 20 |
Fenton, Fiona D (10)
|
MRCIY |
1:15.53 |
59.19 |
-16.34 |
| 21 |
Soria, Evita (8)
|
MRFLY |
1:22.60 |
1:11.36 |
-11.24 |
|
Perez, Diana R (9)
|
MRLGAC |
|
DQ |
- |