| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mestre, Joaquin L (10)
|
FGGRSC |
1:25.03 |
1:21.78 |
-3.25 |
| 2 |
Ferguson, Dylan C (10)
|
FGMACM |
1:29.85 |
1:22.81 |
-7.04 |
| 3 |
Panol, Omar (8)
|
FGBMHG |
1:25.73 |
1:23.04 |
-2.69 |
| 4 |
Smith, Owen D (10)
|
FGSOFL |
1:26.01 |
1:24.10 |
-1.91 |
| 5 |
Roca, Peter M (10)
|
FGMS |
1:31.55 |
1:24.99 |
-6.56 |
| 6 |
McPeek, Ethan J (10)
|
FGAKS |
1:34.12 |
1:26.97 |
-7.15 |
| 7 |
Kim, Benjamin (9)
|
FGSOFL |
1:27.49 |
1:27.16 |
-0.33 |
| 8 |
Lopez-Casula, Leonardo (9)
|
FGHSC |
1:29.19 |
1:29.94 |
0.75 |
| 9 |
Dominguez, Alfredo H (9)
|
FGBMHG |
1:27.38 |
1:30.41 |
3.03 |
| 10 |
Kauefate, Jorge (10)
|
FGSDST |
|
1:30.88 |
- |
| 11 |
Monjarrez, Derek J (8)
|
FGBMHG |
1:26.62 |
1:32.39 |
5.77 |
| 12 |
Selts, Peyton C (9)
|
FGGRSC |
1:27.69 |
1:33.34 |
5.65 |
| 13 |
Balade, Nahuel A (9)
|
FGCM |
|
1:37.09 |
- |
| 14 |
Laurentys, Lorenzo Z (10)
|
FGSOFL |
1:39.94 |
1:41.56 |
1.62 |
| 15 |
Romero, Tristan O (10)
|
FGGRSC |
1:39.67 |
1:42.52 |
2.85 |
| 16 |
Ruiz, Jesus F (9)
|
FGSDST |
|
1:43.30 |
- |
| 17 |
Iglesias, Leonardo * (9)
|
FGMACM |
1:50.29 |
1:47.78 |
-2.51 |
| 18 |
Stone, Jackson T (10)
|
FGGRSC |
1:48.05 |
1:50.04 |
1.99 |
| 19 |
Fogel, Eduardo (7)
|
FGGRSC |
|
2:24.08 |
- |
|
Blaya, Rafael (7)
|
FGMCDA |
|
DNF |
- |
|
Sheyda, Gavin C (10)
|
FGSOFL |
|
DQ |
- |
|
Morales, Andres I (9)
|
FGGRSC |
|
DQ |
- |
|
Moya, Jason (8)
|
FGSOFL |
|
DQ |
- |
|
Beloyvan, Alexander (10)
|
FGMCDA |
|
NS |
- |
|
Kolotov, Konesantin * (8)
|
FGMCDA |
2:04.42 |
NS |
- |
|
Cheng, Jason Y (10)
|
FGGRSC |
1:32.51 |
NS |
- |