| 1 | Pedro Paulo Lima Sasaki | 51.29 | 55.66 | 59.04 55.62 1:00.72 52.31 51.29 |
| 2 | Caio Hideaki Sato | 53.11 | 56.20 | 57.86 54.77 55.98 53.11 58.16 |
| 3 | Lucas Ichiro Yunomae | 50.88 | 57.17 | 58.82 1:00.74 56.75 50.88 55.95 |
| 4 | Tiago Akihiro Fujita | 56.17 | 1:00.82 | 1:05.06 57.14 1:04.99 56.17 1:00.32 |
| 5 | Caique Crispim de Lima | 1:04.86 | 1:09.04 | 1:17.26 1:04.86 1:14.49 1:07.53 1:05.11 |
| 6 | Felipe Cardim | 1:17.83 | 1:22.93 | 1:25.76 1:30.76 1:19.78 1:23.24 1:17.83 |
| 7 | Pedro Henrique Maciel Ceccopieri Belo (陈昊然) | 1:21.46 | 1:24.56 | 1:28.07 1:24.43 1:21.46 1:25.39 1:23.87 |
| 8 | Beatriz Hernandes Bernardes | 1:21.03 | 1:27.17 | 1:31.53 1:25.07 1:21.03 1:33.08 1:24.91 |
| 9 | João Henrique Andrade Egg | 1:11.32 | 1:29.48 | 1:35.36 1:11.32 1:26.82 1:26.27 1:36.08 |
| 10 | Pedro Lima Fernandes | 1:34.77 | 1:38.18 | 1:36.10 1:34.77 1:49.26 1:38.79 1:39.65 |
| 11 | Maria Clara Rodrigues Garola Lima | 1:48.02 | 1:52.32 | 1:53.28 1:54.20 2:10.55 1:48.02 1:49.47 |
| 12 | Bruno Murillo de Oliveira Carvalho | 2:11.43 | 2:20.38 | 2:11.43 2:24.29 DNF 2:20.34 2:16.50 |
| 13 | Fabio Bini Graciose | 2:17.92 | 2:22.25 | 2:24.44 2:17.92 2:31.88 2:22.71 2:19.60 |
| 14 | Renan da Cunha Santos | 2:15.75 | 2:24.25 | 2:57.72 2:15.75 2:26.86 2:22.80 2:23.08 |
| 15 | Matheus Casassa | 2:05.64 | 2:53.94 | 2:59.78 2:57.28 2:44.76 2:05.64 DNF |
| 16 | Sávio Alves Cabelo Pereira | 2:51.19 | 3:08.51 | 2:51.19 DNF 3:03.42 3:17.95 3:04.15 |
| 17 | Eduardo Ribeiro Strauch | 3:39.39 | — | 3:45.44 3:39.39 — — — |
| 18 | Bernardo Luppi da Gama Pereira | 3:43.70 | — | 3:43.70 DNF — — — |
| 19 | Pedro dos Santos Lemos | 3:46.66 | — | 3:46.66 DNF — — — |
| 20 | André Taberti Santos | DNF | — | DNF DNF — — — |