| 1 | Pedro Santos Guimarães | 1:31.61 | 1:37.68 | 1:38.38 1:58.53 1:42.06 1:32.59 1:31.61 |
| 2 | Ronan Felipe Jorge | 1:30.19 | 1:39.16 | 1:32.61 1:43.43 1:41.43 1:30.19 1:50.61 |
| 3 | Alexandre Key Wakate Teruya | 1:30.47 | 1:44.16 | 1:47.05 1:48.59 1:49.08 1:36.84 1:30.47 |
| 4 | Rodrigo Kenji Asato Kobayashi | 2:04.38 | 2:08.53 | 2:09.43 2:04.38 2:10.11 2:06.05 2:56.86 |
| 5 | Rafael Werneck Cinoto | 2:08.96 | 2:23.42 | 2:29.90 2:20.72 2:08.96 2:22.59 2:26.96 |
| 6 | Willian Fidêncio | 2:07.61 | 2:27.22 | 2:16.84 2:51.83 2:19.40 2:07.61 2:45.43 |
| 7 | Carlos Augusto Motta de Lima | 2:19.49 | 2:38.98 | 2:46.63 2:43.75 2:26.56 2:58.44 2:19.49 |
| 8 | Henrique Santos de Freitas | 2:37.06 | 2:54.46 | 2:44.81 3:13.96 2:57.46 2:37.06 3:01.11 |
| 9 | Felipe Zelenkovas | 2:52.86 | 3:04.69 | 2:52.86 3:09.11 2:58.63 3:09.28 3:06.34 |
| 10 | Rodrigo Ybarra de Oliveira Ribeiro | 2:54.08 | 3:30.15 | 2:54.08 4:10.30 3:54.00 3:37.00 2:59.46 |
| 11 | Alex Mondini Cerpe | 3:08.33 | 3:49.29 | 4:01.65 3:21.78 DNF 3:08.33 4:04.43 |
| 12 | Eduardo Lins Motta | 4:16.31 | — | 4:16.31 DNF — — — |
| 13 | Gustavo Maysonnave Franck | 4:41.16 | — | 5:49.56 4:41.16 — — — |
| 14 | Kyle Koughan | 5:13.13 | — | 5:13.13 6:15.80 — — — |
| 15 | Gilberto Caracciolo Morelli | 5:19.31 | — | 6:14.96 5:19.31 — — — |
| 16 | Júlio Yoshikazu Miyahira | 5:24.03 | — | 5:24.03 5:37.53 — — — |
| 17 | Bruno Joarlette Coló | 5:37.77 | — | 5:37.77 8:25.13 — — — |
| 18 | Fabio Bini Graciose | 6:15.44 | — | 7:34.00 6:15.44 — — — |
| 19 | Thiago Fernandes Marcelo | 14:48.00 | — | 15:00.00 14:48.00 — — — |