| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rodriguez, Agustin F (12)
|
FGHSC |
1:22.59 |
1:17.09 |
-5.50 |
| 2 |
Pujula, Charles (12)
|
FGHSC |
1:20.77 |
1:21.03 |
0.26 |
| 3 |
Leon, Leonardo (12)
|
FGCM |
1:23.51 |
1:24.64 |
1.13 |
| 4 |
Burunov, Vadim (12)
|
FGHAFL |
|
1:34.08 |
- |
| 5 |
Cancio, Marco A (11)
|
FGCM |
1:34.46 |
1:34.15 |
-0.31 |
| 6 |
Balbi, Julian A (12)
|
FGSAS |
1:36.87 |
1:35.81 |
-1.06 |
| 7 |
Brunetti, Giuliano P (11)
|
FGPOMP |
|
1:36.77 |
- |
| 8 |
Wingold, Charles R (12)
|
FGHAFL |
1:52.79 |
1:37.91 |
-14.88 |
| 9 |
Moreno, Diego (12)
|
FGCM |
1:40.71 |
1:39.61 |
-1.10 |
| 10 |
Nealy, Colin J (11)
|
FGPCS |
1:44.55 |
1:40.72 |
-3.83 |
| 11 |
Venezia, Jake E (11)
|
FGPCS |
1:56.14 |
1:41.77 |
-14.37 |
| 12 |
Martin, Richard J (12)
|
FGTSA |
1:42.15 |
1:42.08 |
-0.07 |
| 13 |
Casas, Randy (11)
|
FGBMHG |
1:44.90 |
1:42.64 |
-2.26 |
| 14 |
Young, Caleb J (11)
|
FGPCS |
1:41.32 |
1:45.84 |
4.52 |
| 15 |
Livsey, Grant (12)
|
FGYSF |
1:50.28 |
1:47.71 |
-2.57 |
| 16 |
Silva Sordo, Christian R (12)
|
FGHSC |
|
1:48.18 |
- |
| 17 |
Famiano, Gianni M (11)
|
FGPOMP |
|
1:49.19 |
- |
| 18 |
Duarte, Sebastian (12)
|
FGYSF |
1:55.60 |
1:52.22 |
-3.38 |
| 19 |
Riesz, Liam S (11)
|
FGPCS |
1:53.29 |
1:52.90 |
-0.39 |
| 20 |
Kauefate, Abelardo (11)
|
FGSDST |
2:03.85 |
1:54.42 |
-9.43 |
| 21 |
Kotegov, Fedor M (11)
|
FGBRST |
|
1:59.71 |
- |
| 22 |
Hayes, David M (12)
|
FGPCS |
|
2:17.61 |
- |
|
Podiapolski, Dennis (11)
|
FGCCPR |
2:19.80 |
NS |
- |