| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Abella, Juan C (14)
|
FGMACM |
1:06.97 |
1:05.18 |
-1.79 |
| 2 |
Orozco, David A (13)
|
FGGRSC |
1:10.77 |
1:07.40 |
-3.37 |
| 3 |
Robles, Jose N (14)
|
FGMWA |
1:11.89 |
1:08.64 |
-3.25 |
| 4 |
Kim, Stephen (14)
|
FGMWA |
1:15.60 |
1:11.54 |
-4.06 |
| 5 |
Losada Herrera, Sebastian (13)
|
FGMACM |
1:13.57 |
1:11.96 |
-1.61 |
| 6 |
Rodriguez, Dylan (13)
|
FGMACM |
1:13.38 |
1:12.45 |
-0.93 |
| 7 |
Lozano, Santiago (14)
|
FGGRSC |
1:16.39 |
1:12.54 |
-3.85 |
| 8 |
Viera, Kevin A (14)
|
FGMACM |
1:09.21 |
1:13.91 |
4.70 |
| 9 |
Bernaez, Maurizio A (14)
|
FGUN-0 |
1:14.21 |
1:14.20 |
-0.01 |
| 10 |
Grass, Ivan L (14)
|
FGGRSC |
1:26.03 |
1:14.24 |
-11.79 |
| 11 |
Navarro, Richard A (13)
|
FGMACM |
1:17.74 |
1:14.71 |
-3.03 |
| 12 |
Marri, Rithvik R (13)
|
FGMWA |
1:23.38 |
1:14.82 |
-8.56 |
| 13 |
Chichoni, Zachary (14)
|
FGGRSC |
|
1:16.21 |
- |
| 14 |
Lorenzo, Reinel A (13)
|
FGMACM |
1:13.71 |
1:16.28 |
2.57 |
| 15 |
Weingard, Luke (13)
|
FGMWA |
1:19.16 |
1:16.73 |
-2.43 |
| 16 |
Fernandez, Sebastian (14)
|
FGYSF |
1:24.03 |
1:19.65 |
-4.38 |
| 17 |
Leal, Santiago (14)
|
FGMACM |
1:22.60 |
1:20.62 |
-1.98 |
| 18 |
Sarmiento, Juan E (13)
|
FGPST |
1:22.38 |
1:20.73 |
-1.65 |
| 19 |
Bonilla, Gabriel (13)
|
FGMWA |
|
1:21.67 |
- |
| 20 |
Wagner, Alexander I (13)
|
FGMACM |
1:21.02 |
1:22.03 |
1.01 |
| 21 |
Kingston, Eduardo F (13)
|
FGGRSC |
1:33.22 |
1:24.11 |
-9.11 |
| 22 |
Montes, Sebastian (14)
|
FGYSF |
1:24.61 |
1:25.73 |
1.12 |
| 23 |
Cheng, Jason Y (13)
|
FGGRSC |
1:33.64 |
1:28.45 |
-5.19 |
| 24 |
Ljoen, Santiago A (13)
|
FGGRSC |
1:35.76 |
1:33.82 |
-1.94 |
| 25 |
Gardner, Patrick C (13)
|
FGGRSC |
|
1:34.43 |
- |
| 26 |
Pendrak, Corban J (13)
|
FGPST |
|
1:40.79 |
- |
| 27 |
Vivero, Paulo J (13)
|
FGPST |
|
1:54.92 |
- |