| 1 | Lim Hung (林弘) | 1:50.36 | 1:53.32 | 1:50.36 1:52.79 1:56.82 — — |
| 2 | Emmanuel Kao | 1:49.61 | 1:58.30 | 2:07.46 1:49.61 1:57.83 — — |
| 3 | Anyu Zhang (张安宇) | 1:57.57 | 1:59.30 | 2:01.70 1:58.62 1:57.57 — — |
| 4 | Firstian Fushada (符逢城) | 2:09.95 | 2:13.31 | 2:10.39 2:19.58 2:09.95 — — |
| 5 | Asia Konvittayayotin (เอเชีย กรวิทยโยธิน) | 2:02.88 | 2:13.32 | 2:02.88 2:22.01 2:15.06 — — |
| 6 | Tristan Chua Yong | 2:13.18 | 2:20.54 | 2:24.67 2:23.78 2:13.18 — — |
| 7 | Ivan Lew Yi Wen (刘义文) | 2:12.80 | 2:23.44 | 2:24.52 2:12.80 2:33.00 — — |
| 8 | Daryl Tan Hong An | 2:17.36 | 2:26.17 | 2:17.36 2:22.81 2:38.34 — — |
| 9 | Deng Zhengping | 2:16.98 | 2:26.87 | 2:40.30 2:23.34 2:16.98 — — |
| 10 | Ng Yong Teng | 2:23.47 | 2:34.92 | 2:37.17 2:23.47 2:44.12 — — |
| 11 | Carmen Teo Bin Jie (张斌婕) | 2:30.15 | 2:34.97 | 2:33.70 2:41.07 2:30.15 — — |
| 12 | Natthaphat Mahtani (ณัฐภัทร จี มาทานี) | 2:26.68 | 2:36.47 | 2:43.57 2:39.17 2:26.68 — — |
| 13 | Darius Soh Zi Jie | 2:36.54 | 2:42.03 | 2:37.12 2:52.43 2:36.54 — — |
| 14 | Dylan Seah Tze Siang (谢智翔) | 2:35.63 | 2:43.93 | 2:35.63 2:44.99 2:51.18 — — |
| 15 | Ng Jia Quan (黄佳铨) | 2:38.58 | 2:50.28 | 2:58.19 2:54.07 2:38.58 — — |
| 16 | Wong Chong Wen (黄崇文) | 2:47.17 | 2:55.49 | 2:47.17 2:58.19 3:01.11 — — |
| 17 | Peh Zander | 3:00.61 | 3:09.99 | 3:14.45 3:00.61 3:14.91 — — |
| 18 | Samuel Lai (赖文辉) | 3:04.36 | 3:12.20 | 3:04.36 3:22.64 3:09.59 — — |
| 19 | Haining Wang (王海宁) | 3:13.32 | 3:20.92 | 3:13.32 3:25.79 3:23.64 — — |
| 20 | Chang Hong Liang (张泓量) | 3:20.47 | 3:23.11 | 3:20.47 3:27.21 3:21.66 — — |
| 21 | Li Chengyu | 3:13.12 | 3:24.72 | 3:38.61 3:22.43 3:13.12 — — |
| 22 | Reuel Franz Ramirez Magracia (刘埃尔) | 3:20.60 | 3:26.22 | 3:24.64 3:33.43 3:20.60 — — |
| 23 | Karl Abarquez | 3:09.94 | 3:26.86 | 3:32.60 3:09.94 3:38.03 — — |
| 24 | Koh Zi Qian | 3:13.75 | 3:32.44 | 3:13.75 4:00.34 3:23.24 — — |
| 25 | Aidan Loh Kai Ye | 3:24.88 | 3:33.71 | 3:24.88 3:40.99 3:35.25 — — |
| 26 | Junqi Feng (冯骏骐) | 3:34.31 | 3:46.90 | 3:48.91 3:34.31 3:57.49 — — |
| 27 | Keira Leng Sok Kei | 3:53.17 | 4:07.14 | 4:07.86 3:53.17 4:20.40 — — |
| 28 | Ng Mun Hin | 4:04.56 | 4:20.78 | 4:23.02 4:04.56 4:34.76 — — |