| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fernandez-Chung, Lucas N (10)
|
FGMACM |
|
1:16.44 |
- |
| 2 |
Gonzalez, Kenneth (10)
|
FGMACM |
1:15.25 |
1:18.33 |
3.08 |
| 3 |
Shutov, Mark V (10)
|
FGNMST |
1:19.40 |
1:21.53 |
2.13 |
| 4 |
Naranjo, Robinson (9)
|
FGBMHG |
1:29.88 |
1:27.94 |
-1.94 |
| 5 |
Vallmitjana, Juan (10)
|
FGSOFL |
1:43.09 |
1:28.12 |
-14.97 |
| 6 |
Maldonado, Gonzalo (10)
|
FGSOFL |
1:41.40 |
1:35.30 |
-6.10 |
| 7 |
Leyva Riestra, Rainier (7)
|
FGBMHG |
|
1:44.46 |
- |
| 8 |
Romeo, Lucas J (9)
|
FGMACM |
|
1:50.18 |
- |
| 9 |
Cavani, Emiliano (10)
|
FGSOFL |
1:41.64 |
1:52.79 |
11.15 |
| 10 |
Casal, Morgan (8)
|
FGBMHG |
|
1:54.92 |
- |
| 11 |
Woodward, Reed (9)
|
FGSOFL |
1:46.55 |
2:08.84 |
22.29 |
| 12 |
Fernandez, Daniel (9)
|
FGBMHG |
|
2:18.96 |
- |
|
Fernandez, Aaron O (9)
|
FGBMHG |
|
DQ |
- |
|
Infante, Alejandro R (10)
|
FGCANE |
1:46.10 |
DQ |
- |