| 1 | Caio Hideaki Sato | 45.70 | 49.56 | 48.82 49.65 58.11 50.21 45.70 |
| 2 | Pedro Paulo Lima Sasaki | 53.08 | 55.85 | 1:27.12 53.08 56.66 55.66 55.24 |
| 3 | Tiago Akihiro Fujita | 52.89 | 58.60 | 57.64 1:00.46 52.89 57.70 1:01.07 |
| 4 | Lucas Ichiro Yunomae | 54.32 | 59.10 | 59.49 57.46 1:01.90 1:00.34 54.32 |
| 5 | Rafael Carreiro Campos | 1:02.96 | 1:04.33 | 1:03.45 DNF 1:02.96 1:04.66 1:04.89 |
| 6 | Ana Beatriz M. Tannenbaum | 1:01.56 | 1:08.92 | 1:11.87 1:16.08 1:10.90 1:01.56 1:04.00 |
| 7 | Pedro Henrique Maciel Ceccopieri Belo (陈昊然) | 1:07.72 | 1:12.63 | 1:12.03 1:11.01 1:07.72 1:32.09 1:14.84 |
| 8 | Beatriz Hernandes Bernardes | 1:05.44 | 1:13.40 | 1:05.44 1:14.46 1:15.94 1:16.57 1:09.80 |
| 9 | Kauã S. Andrade | 1:20.63 | 1:34.60 | 1:20.63 1:39.38 1:45.30 1:38.94 1:25.47 |
| 10 | Gabriel Vasconcellos Zavrisko dos Santos | 1:29.70 | 1:39.00 | 1:36.96 1:43.62 1:29.70 1:40.33 1:39.72 |
| 11 | Andrew Surine | 1:43.14 | 1:47.22 | 1:49.50 2:04.83 1:44.81 1:43.14 1:47.35 |
| 12 | Henrique Luiz Souza de Oliveira | 1:37.61 | 1:49.53 | 2:03.11 1:59.53 1:47.70 1:41.36 1:37.61 |
| 13 | Isabela da Ponte Nacif | 1:51.10 | 2:08.24 | 2:27.91 2:00.55 1:51.10 2:12.10 2:12.08 |
| 14 | Marco Termini Boccardo | 2:13.78 | 2:42.82 | 2:25.28 3:03.88 3:06.93 2:13.78 2:39.29 |
| 15 | Henrique Pereira Souza Lima | 2:22.90 | 2:51.01 | 2:51.10 3:00.91 2:22.90 2:53.22 2:48.70 |
| 16 | Arthur Araújo Morin | 3:30.05 | — | 3:47.56 3:30.05 — — — |
| 17 | Leonardo Carvalho Feitosa | 4:12.58 | — | 4:12.58 4:21.12 — — — |
| 18 | Arthur Ferreira Pinto Bastos | DNF | — | DNF DNF — — — |