| 1 | Damián Jail Campos | 47.99 | 51.38 | 47.99 49.85 54.81 49.49 1:14.01 |
| 2 | Manuel Gutman | 52.35 | 58.37 | 57.79 DNF 52.35 56.05 1:01.28 |
| 3 | Genaro Sahib Leguizamon | 54.81 | 1:02.43 | 1:14.68 54.81 1:01.12 1:06.91 59.27 |
| 4 | Bautista Bonazzola | 1:06.04 | 1:17.06 | 1:19.02 1:12.46 1:19.70 1:06.04 1:23.17 |
| 5 | Federico da Fonseca | 1:07.50 | 1:19.24 | 1:09.83 1:19.72 1:07.50 1:38.89 1:28.17 |
| 6 | Theo Goluboff | 1:12.72 | 1:19.77 | 1:25.29 1:19.88 1:12.72 1:32.98 1:14.13 |
| 7 | Marcos Masini | 1:08.64 | 1:21.85 | 1:29.80 1:22.36 1:22.05 1:08.64 1:21.15 |
| 8 | Agustín Bernasconi | 1:17.77 | 1:23.87 | 1:42.41 1:21.64 1:30.42 1:19.54 1:17.77 |
| 9 | Guido Dipietro | 1:26.71 | 1:36.80 | 1:33.75 1:34.64 1:26.71 1:56.50 1:42.01 |
| 10 | Pablo Andres Amavet | 1:30.78 | 1:40.64 | 1:37.36 1:47.17 1:53.14 1:37.38 1:30.78 |
| 11 | Gabriel Alejandro Quiroz | 1:36.25 | 1:44.73 | 1:42.58 1:42.54 1:49.07 1:36.25 2:05.36 |
| 12 | Axel Bazán | 2:02.12 | — | 2:04.32 2:02.12 — — — |
| 13 | Giuliano Tumini | 2:39.02 | — | 2:39.02 2:50.97 — — — |
| 14 | Marcos Justiniano Rossetti | 3:10.36 | — | 3:32.21 3:10.36 — — — |
| 15 | Santiago Basso | 3:19.98 | — | 3:26.65 3:19.98 — — — |
| 16 | Mateo Agustín Curto | 3:29.43 | — | DNF 3:29.43 — — — |
| 17 | Eliam Milsztejn | 3:31.29 | — | DNF 3:31.29 — — — |
| 18 | Victor Hugo Mattio | 3:42.63 | — | DNF 3:42.63 — — — |
| 19 | Jose Keh | 3:50.96 | — | 3:50.96 DNF — — — |
| 20 | Nicolas Mariano Alarcon | 3:55.02 | — | 3:55.02 DNF — — — |
| 21 | Santiago Politti Gil | DNF | — | DNF DNF — — — |
| 21 | Santino Luciano Muñoz | DNF | — | DNF DNF — — — |