| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fagot, Daniellyn (10)
|
MRFLY |
1:20.77 |
1:22.71 |
1.94 |
| 2 |
Henriquez, Alexa (10)
|
MRFLY |
1:22.98 |
1:24.29 |
1.31 |
| 3 |
Sieber, Ariel M (10)
|
MRCIY |
1:25.09 |
1:26.67 |
1.58 |
| 4 |
Ulloa, Ivania A (10)
|
MRFLY |
1:26.24 |
1:28.53 |
2.29 |
| 5 |
Dellagiovanna, Eva E (10)
|
MRCIY |
1:35.72 |
1:32.95 |
-2.77 |
| 6 |
Ospina, Alicia (10)
|
MRFLY |
1:32.03 |
1:33.93 |
1.90 |
| 7 |
Vallejo, Penelope (9)
|
MRFLY |
1:33.35 |
1:36.49 |
3.14 |
| 8 |
Herrera, Sasha G (10)
|
MRCIY |
1:50.99 |
1:46.32 |
-4.67 |
| 9 |
Ruiter, Sterling (10)
|
MRRED |
|
1:47.43 |
- |
| 10 |
Wang, Jayka (9)
|
MRFLY |
|
1:50.22 |
- |
| 11 |
Fenton, Fiona D (10)
|
MRCIY |
1:50.80 |
1:52.89 |
2.09 |
| 12 |
Soria, Evita (8)
|
MRFLY |
2:00.09 |
2:00.08 |
-0.01 |
| 13 |
Verdezoto Y., Sammy J (10)
|
MRRED |
|
2:00.71 |
- |
| 14 |
Wiygul, Clementina L (9)
|
MRFLY |
|
2:04.45 |
- |
| 15 |
Zhong, Gloria (6)
|
MRFLY |
2:02.28 |
2:10.17 |
7.89 |
| 16 |
Colbert, Sage (7)
|
MRRED |
|
2:19.94 |
- |
|
Collins-Shurland, Isabella S (10)
|
MRCIY |
2:03.78 |
DQ |
- |
|
Delinois, Ruby (9)
|
MRRED |
|
DQ |
- |