| Competition | 2018 Asian Games |
|---|---|
| Venue |
Jakarta-Palembang
|
| Held | — |
| Status | Medal |
| Competitors | 18 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Japan | 3:12.68 | |||
| Shinri Shioura | 48.85 | ||||
| Katsuhiro Matsumoto | 47.65 | ||||
| Katsumi Nakamura | 48.08 | ||||
| Juran Mizohata | 48.10 | ||||
| 🥈 | China | 3:13.29 | |||
| Yang Jintong | 49.24 | ||||
| Cao Jiwen | 48.29 | ||||
| Sun Yang | 48.38 | ||||
| Yu Hexin | 47.38 | ||||
| Hou Yujie | — | * | |||
| Qian Zhiyong | — | * | |||
| Ma Tianchi | — | * | |||
| Ji Xinjie | — | * | |||
| 🥉 | Singapore | 3:17.22 | |||
| Quah Zheng Wen | 49.64 | ||||
| Joseph Schooling | 48.27 | ||||
| Darren Chua | 49.64 | ||||
| Darren Lim | 49.67 | ||||
| Danny Yeo | — | * | |||
| Jonathan Tan | — | * |