| 1 | Lim Hung (林弘) | 45.26 | 47.56 | 46.75 52.50 47.93 47.99 45.26 |
| 2 | Ng Yong Teng | 50.49 | 51.66 | 52.32 50.49 57.45 51.09 51.58 |
| 3 | Tristan Chua Yong | 48.66 | 54.50 | 55.83 55.24 54.50 48.66 53.76 |
| 4 | Anyu Zhang (张安宇) | 48.60 | 54.51 | 57.18 51.27 56.28 48.60 55.97 |
| 5 | Ng Jia Quan (黄佳铨) | 50.11 | 55.77 | 54.93 55.13 1:01.27 57.25 50.11 |
| 6 | Wong Chong Wen (黄崇文) | 49.09 | 57.20 | 57.13 59.67 54.80 49.09 1:02.27 |
| 7 | Dylan Seah Tze Siang (谢智翔) | 54.31 | 58.50 | 1:01.34 1:02.19 54.31 56.41 57.74 |
| 8 | Carmen Teo Bin Jie (张斌婕) | 54.12 | 58.72 | 54.12 58.37 1:01.38 56.42 1:12.15 |
| 9 | Lim Chun Yik (林峻毅) | 59.75 | 1:04.62 | 59.75 1:03.27 1:20.46 1:06.72 1:03.88 |
| 10 | Kalen Sha | 1:03.19 | 1:14.09 | 1:03.19 1:17.84 1:13.56 1:24.36 1:10.87 |
| 11 | Samuel Lai (赖文辉) | 1:09.73 | 1:14.73 | 1:14.36 1:13.99 1:09.73 1:32.72 1:15.85 |
| 12 | Troy Tan Hong Kai | 1:09.40 | 1:17.27 | 1:20.96 1:09.40 1:45.85 1:16.15 1:14.69 |
| 13 | Vincenzo Maria Gammino | 1:17.31 | 1:20.59 | 1:24.95 1:17.31 1:19.46 1:17.37 1:34.67 |
| 14 | Remi Siew Pei Ting | 1:21.74 | 1:32.08 | 1:39.74 1:32.95 1:38.54 1:21.74 1:24.74 |
| 15 | Keira Leng Sok Kei | 1:28.27 | 1:34.49 | 1:40.10 2:27.96 1:33.97 1:28.27 1:29.40 |
| 16 | Theodore Chan | 1:35.39 | 1:40.30 | 1:35.39 1:40.63 1:42.69 1:37.58 DNS |
| 17 | Yi-Wei Chen (陳奕瑋) | 1:38.48 | 1:49.73 | 1:57.77 1:38.48 1:53.76 1:49.82 1:45.61 |
| 18 | Advay Hari | 1:45.51 | 1:57.84 | 1:45.51 2:11.87 1:59.01 1:55.28 1:59.24 |
| 19 | Gabriel Neo Jun Yi | 1:41.62 | 1:58.58 | 1:58.35 1:41.62 2:01.77 1:55.61 2:16.87 |
| 20 | Chen Haorong (陈浩荣) | 2:11.51 | — | DNF 2:11.51 — — — |
| 21 | Don Keh Li Yang | 2:14.16 | — | 2:14.16 2:21.68 — — — |
| 22 | Ramanujan Srinivasan | 2:23.43 | — | 2:25.57 2:23.43 — — — |
| 23 | Chua Hao Xiang | 2:36.98 | — | 2:36.98 2:44.30 — — — |
| 24 | Zeng Xianwen Austin | 3:42.86 | — | DNF 3:42.86 — — — |
| 25 | Glen Goh Wee Zhuan (吴洧全) | 4:10.44 | — | 5:01.09 4:10.44 — — — |