| 1 | Seung Hyuk Nahm (남승혁) | 1:56.14 | 1:57.66 | 1:59.62 1:57.22 1:56.14 — — |
| 2 | Lim Hung (林弘) | 1:53.10 | 1:59.63 | 2:05.97 1:59.83 1:53.10 — — |
| 3 | Đỗ Quang Hưng | 1:57.74 | 2:00.00 | 2:01.93 2:00.33 1:57.74 — — |
| 4 | Trương Khánh Tùng | 2:12.85 | 2:25.03 | 2:28.94 2:33.29 2:12.85 — — |
| 5 | Nguyễn An Phong | 2:24.52 | 2:26.00 | 2:27.93 2:25.55 2:24.52 — — |
| 6 | Asia Konvittayayotin (เอเชีย กรวิทยโยธิน) | 2:22.92 | 2:26.91 | 2:22.92 2:24.67 2:33.15 — — |
| 7 | Ivan Lew Yi Wen (刘义文) | 2:23.56 | 2:33.19 | 2:46.30 2:23.56 2:29.70 — — |
| 8 | Nguyễn Thành Thái | 2:30.73 | 2:36.15 | 2:30.73 2:40.30 2:37.42 — — |
| 9 | Yi-Fan Wu (吳亦凡) | 2:25.00 | 2:37.41 | 2:33.99 2:25.00 2:53.23 — — |
| 10 | Nguyễn Đỗ Hoàng Giang | 2:48.34 | 2:59.80 | 2:58.95 3:12.11 2:48.34 — — |
| 11 | Lưu Hoàng Bảo | 3:08.52 | 3:10.21 | 3:08.52 3:12.31 3:09.79 — — |
| 12 | Đặng Trần Diễn | 3:13.61 | 3:18.46 | 3:13.61 3:17.49 3:24.28 — — |
| 13 | Nguyễn Thành Đạt | 3:14.32 | 3:27.97 | 3:53.77 3:14.32 3:15.83 — — |
| 14 | Rui-Jun Liu (劉睿鈞) | 3:16.29 | 3:35.24 | 3:52.60 3:16.29 3:36.83 — — |
| 15 | Phan Trọng Nghĩa | 3:34.08 | 3:38.38 | 3:34.08 3:41.65 3:39.42 — — |
| 16 | Bùi Hải Long | 3:39.56 | 3:41.04 | 3:39.56 3:41.62 3:41.94 — — |
| 17 | Nông Quốc Duy | 3:30.18 | 3:47.45 | 4:04.57 3:30.18 3:47.59 — — |
| 18 | Nguyễn Tường Lâm | 3:37.75 | 3:47.98 | 3:44.53 4:01.65 3:37.75 — — |
| 19 | Chisanupong Chulasereekul (ชิษณุพงศ์ จุฬาเสรีกุล) | 3:48.02 | 3:55.71 | 4:04.14 3:54.96 3:48.02 — — |
| 20 | Sivakorn Makcharoen (ศิวกร มรรคเจริญ) | 3:42.57 | 3:59.84 | 3:50.77 3:42.57 4:26.19 — — |
| 21 | Nguyễn Xuân Đức | 4:11.68 | 4:19.68 | 4:24.45 4:11.68 4:22.92 — — |
| 22 | Lê Đại Vệ | 4:20.01 | 4:30.90 | 4:36.81 4:35.88 4:20.01 — — |
| 23 | Đào Viết Trọng Khánh | 4:20.24 | 4:46.28 | 4:56.02 5:02.58 4:20.24 — — |
| 24 | Eng Dickson (黄迪胜) | 5:19.25 | 5:25.46 | 5:19.25 5:19.74 5:37.40 — — |
| 25 | Sirapas Jirapaspokin (สิรภาส จิรภาสโภคิน) | 5:28.10 | 5:52.25 | 6:12.83 5:55.81 5:28.10 — — |
| 26 | Hồ Phú Nhật | 5:35.01 | 6:38.13 | 6:45.50 7:33.87 5:35.01 — — |
| 27 | Nhâm Nguyễn Hải Đăng | 7:25.42 | 7:55.12 | 7:30.75 7:25.42 8:49.19 — — |
| 28 | Tanai Chaikraveephand (ธนัย ชัยกระวีพันธ์) | DNF | — | DNF — — — — |
| 28 | Matvii Parkhomenko (Матвій Пархоменко) | DNF | — | DNF — — — — |