| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Harris, Zackary T (12)
|
FGSOFL |
1:17.47 |
1:13.29 |
-4.18 |
| 2 |
Mateus, Alejandro E (12)
|
FGSOFL |
1:16.85 |
1:14.96 |
-1.89 |
| 3 |
Kyser, Landon A (11)
|
FGHAT |
|
1:19.23 |
- |
| 4 |
Tijero, Christian D (11)
|
FGSOFL |
1:21.28 |
1:20.34 |
-0.94 |
| 5 |
Lenz Cesar, Joao Pedro B (12)
|
FGGRSC |
|
1:22.43 |
- |
| 6 |
Porven, Lucas A (11)
|
FGSOFL |
1:29.85 |
1:23.49 |
-6.36 |
| 7 |
Williams, Owen N (11)
|
FGHAT |
1:29.53 |
1:24.27 |
-5.26 |
| 8 |
Collazo, Fernando (11)
|
FGGRSC |
1:38.81 |
1:28.84 |
-9.97 |
| 9 |
Navarro, Richard A (11)
|
FGGRSC |
1:27.97 |
1:28.93 |
0.96 |
| 10 |
Powers-Hammond, Thomas J (11)
|
FGSFTL |
1:33.77 |
1:31.32 |
-2.45 |
| 11 |
Lenz Cesar, Felipe B (12)
|
FGGRSC |
|
1:32.20 |
- |
| 12 |
Barrios, Alejandro (11)
|
FGUNOL |
|
1:32.66 |
- |
| 13 |
Cabrera, Ernesto (12)
|
FGMACM |
1:52.23 |
1:32.92 |
-19.31 |
| 14 |
Nelson, Austin R (11)
|
FGAKS |
1:33.98 |
1:35.41 |
1.43 |
| 15 |
Cabral, Zion A (12)
|
FGMACM |
|
1:37.49 |
- |
| 16 |
Palacios, Gianmarco * (12)
|
FGMACM |
1:40.52 |
1:40.08 |
-0.44 |
| 17 |
Alegre, Samuel J (12)
|
FGMACM |
|
1:48.01 |
- |
| 18 |
Esteban, Lucas (11)
|
FGCANE |
1:58.75 |
1:48.59 |
-10.16 |
| 19 |
King, Herbert A (11)
|
FGGRSC |
1:58.95 |
1:49.02 |
-9.93 |
| 20 |
Fediushko, Roman (11)
|
FGSFTL |
|
2:07.06 |
- |
| 21 |
Perez, Gabriel T (11)
|
FGCANE |
|
2:07.60 |
- |
| 22 |
Rodriguez, Javier J (11)
|
FGGRSC |
|
2:17.61 |
- |
| 23 |
Danyliv, Levko (11)
|
FGGRSC |
|
2:19.90 |
- |
|
Hau, Christopher (12)
|
FGUSOF |
1:35.70 |
DQ |
- |
|
Nazario-Vazquez, Diego A (11)
|
FGSOFL |
|
NS |
- |
|
Lamelas, Anthony (12)
|
FGGRSC |
|
NS |
- |
|
Dooley, Jonas B (11)
|
FGSFTL |
|
NS |
- |
|
Lamy, Shawn D (12)
|
FGSFTL |
|
NS |
- |