| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Henriquez, Alexa (10)
|
MRFLY |
1:10.82 |
1:07.71 |
-3.11 |
| 2 |
YU, Hailey G (10)
|
MRLGAC |
1:10.69 |
1:07.94 |
-2.75 |
| 3 |
Czaja, Julia O (9)
|
MRLGAC |
1:11.60 |
1:14.59 |
2.99 |
| 4 |
Fagot, Daniellyn (10)
|
MRFLY |
1:21.63 |
1:16.08 |
-5.55 |
| 5 |
Ulloa, Ivania A (10)
|
MRFLY |
1:22.20 |
1:17.43 |
-4.77 |
| 6 |
Nazarova, Zoe (10)
|
MRLGAC |
1:37.59 |
1:18.55 |
-19.04 |
| 7 |
Tenzin, Seldon (10)
|
MRLGAC |
1:29.98 |
1:19.60 |
-10.38 |
| 8 |
Bicic, Nia (10)
|
MRLGAC |
1:29.90 |
1:21.02 |
-8.88 |
| 9 |
Sohn, Gabrielle S (10)
|
MRLGAC |
1:19.06 |
1:22.21 |
3.15 |
| 10 |
Brown, Victoria T (10)
|
MRRED |
1:31.41 |
1:24.88 |
-6.53 |
| 11 |
Lhundup, Pema T (9)
|
MRLGAC |
1:25.60 |
1:26.89 |
1.29 |
| 12 |
Khamtong, Thutcharida (9)
|
MRLGAC |
1:28.02 |
1:29.74 |
1.72 |
| 13 |
Ospina, Alicia (10)
|
MRFLY |
|
1:30.52 |
- |
| 14 |
Oyola, Emmie G (9)
|
MRKBM |
1:36.77 |
1:32.17 |
-4.60 |
| 15 |
Wang, Jayka (9)
|
MRFLY |
1:38.85 |
1:32.72 |
-6.13 |
| 16 |
Pinkhasov, Michella (10)
|
MRCENT |
1:59.32 |
1:33.18 |
-26.14 |
| 17 |
Verbon Font, Julia V (10)
|
MRCENT |
1:16.70 |
1:33.57 |
16.87 |
| 18 |
Florentino, Zoey (9)
|
MRRED |
2:15.09 |
2:13.26 |
-1.83 |
|
Lee, Evelina M (10)
|
MRLGAC |
1:18.67 |
NS |
- |
|
Jiang, Lily (10)
|
MRCENT |
1:27.60 |
NS |
- |