| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Perr, Abbie (10)
|
MRLGAC |
35.88 |
35.33 |
-0.55 |
| 2 |
Beleffi, Agata (10)
|
MRLGAC |
36.60 |
35.59 |
-1.01 |
| 3 |
YU, Hailey G (10)
|
MRLGAC |
38.38 |
37.70 |
-0.68 |
| 4 |
Henriquez, Alexa (10)
|
MRFLY |
39.52 |
37.97 |
-1.55 |
| 5 |
Sieber, Ariel M (10)
|
MRCIY |
42.40 |
38.73 |
-3.67 |
| 6 |
Czaja, Julia O (9)
|
MRLGAC |
40.97 |
39.16 |
-1.81 |
| 7 |
Ulloa, Ivania A (9)
|
MRFLY |
44.19 |
39.87 |
-4.32 |
| 8 |
Fagot, Daniellyn (10)
|
MRFLY |
42.96 |
40.68 |
-2.28 |
| 9 |
Lee, Evelina M (10)
|
MRLGAC |
39.04 |
41.23 |
2.19 |
| 10 |
Bicic, Nia (10)
|
MRLGAC |
44.19 |
43.29 |
-0.90 |
| 11 |
Dorjee, Ngawang C (9)
|
MRLGAC |
46.00 |
43.66 |
-2.34 |
| 12 |
Sohn, Gabrielle S (10)
|
MRLGAC |
|
43.94 |
- |
| 13 |
Khamtong, Thutcharida (8)
|
MRLGAC |
45.22 |
44.51 |
-0.71 |
| 14 |
Perez, Diana R (9)
|
MRLGAC |
51.18 |
44.52 |
-6.66 |
| 15 |
Tenzin, Seldon (10)
|
MRLGAC |
47.97 |
44.66 |
-3.31 |
| 16 |
Lhundup, Pema T (9)
|
MRLGAC |
52.73 |
45.59 |
-7.14 |
| 17 |
Ospina, Alicia (10)
|
MRFLY |
|
46.52 |
- |
| 18 |
Dellagiovanna, Eva E (10)
|
MRCIY |
50.55 |
47.27 |
-3.28 |
| 19 |
Vallejo, Penelope (9)
|
MRFLY |
|
50.41 |
- |
| 20 |
Wang, Jayka (8)
|
MRFLY |
|
50.98 |
- |
| 21 |
Choi, Bella K (9)
|
MRCIY |
|
51.55 |
- |
| 22 |
Fenton, Fiona D (10)
|
MRCIY |
54.50 |
53.21 |
-1.29 |
| 23 |
Lin, Arianna J (9)
|
MRLGAC |
|
57.42 |
- |
| 24 |
Khanarat, Alice (6)
|
MRLGAC |
|
58.67 |
- |
| 25 |
Soria, Evita (8)
|
MRFLY |
1:04.01 |
1:00.70 |
-3.31 |