| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Qu, Sirui (12)
|
MRFLY |
1:10.51 |
1:06.22 |
-4.29 |
| 2 |
Qu, Wesley (12)
|
MRFLY |
|
1:17.38 |
- |
| 3 |
Coquinco, Nicholas D (12)
|
MRCIY |
1:15.48 |
1:18.08 |
2.60 |
| 4 |
Yang, Austin (12)
|
MRFLY |
|
1:18.49 |
- |
| 5 |
Chen, Aidan (12)
|
MRRED |
1:20.09 |
1:18.83 |
-1.26 |
| 6 |
Shim, Peter W (11)
|
MRFLY |
|
1:20.79 |
- |
| 7 |
Ortiz, Anthony (12)
|
MRRED |
1:24.74 |
1:23.56 |
-1.18 |
| 8 |
Mei, Jayden (12)
|
MRFLY |
|
1:25.47 |
- |
| 9 |
Huang, Bill (11)
|
MRFLY |
1:34.75 |
1:31.02 |
-3.73 |
| 10 |
Aguilar, Emiliano (12)
|
MRRED |
1:30.09 |
1:35.72 |
5.63 |
| 11 |
deGoicoechea, Matthew E (11)
|
MRCIY |
1:39.74 |
1:38.03 |
-1.71 |
| 12 |
Soares, Aiden M (12)
|
MRCIY |
|
1:46.81 |
- |
|
Cross, Robert J (12)
|
MRCIY |
1:39.37 |
DQ |
- |
|
Ramirez, Antonio E (12)
|
MRCIY |
1:58.56 |
DQ |
- |
|
Su, Leonardo (11)
|
MRCIY |
1:46.44 |
NS |
- |