| 1 | Anyu Zhang (张安宇) | 1:25.09 | 1:28.12 | 1:32.54 1:26.72 1:25.09 — — |
| 2 | Peh Zander | 1:39.47 | 1:43.30 | 1:39.47 1:45.50 1:44.93 — — |
| 3 | Carmen Teo Bin Jie (张斌婕) | 1:39.41 | 1:44.72 | 1:39.41 1:44.37 1:50.37 — — |
| 4 | Darius Soh Zi Jie | 1:36.19 | 1:44.78 | 1:41.97 1:56.17 1:36.19 — — |
| 5 | Ng Jia Quan (黄佳铨) | 1:44.35 | 1:49.66 | 1:44.35 1:58.23 1:46.40 — — |
| 6 | Nigel Sim | 1:56.40 | 2:02.16 | 2:02.19 1:56.40 2:07.90 — — |
| 7 | Samuel Lai (赖文辉) | 1:55.64 | 2:03.25 | 2:06.37 1:55.64 2:07.75 — — |
| 8 | Koh Zi Yi | 1:45.39 | 2:03.82 | 1:45.39 2:21.21 2:04.86 — — |
| 9 | Keagen Khew | 2:12.40 | 2:26.22 | 2:25.50 2:12.40 2:40.76 — — |
| 10 | Wang Zimo | 2:29.27 | 2:33.91 | 2:29.27 2:32.17 2:40.28 — — |
| 11 | Remi Siew Pei Ting | 2:36.60 | 2:43.08 | 2:44.59 2:36.60 2:48.06 — — |
| 12 | Yeo Jun Wei Christian | 2:57.28 | 3:02.94 | 3:10.20 2:57.28 3:01.33 — — |
| 13 | Advay Hari | 3:45.39 | — | 3:45.39 — — — — |
| 14 | Ramanujan Srinivasan | 7:35.73 | — | 7:35.73 — — — — |