400 m, Men
| Competition | 2009 East Asian Games |
|---|---|
| Venue |
Hong Kong
 HKG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Liu Xiaosheng |  CHN |
46.72 | ||
| 🥈 | Park Bong-Ko |  KOR |
46.96 | ||
| 🥉 | Yusuke Ishitsuka |  JPN |
47.12 |
| Competition | 2009 East Asian Games |
|---|---|
| Venue |
Hong Kong
HKG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Liu Xiaosheng | CHN |
46.72 | ||
| 🥈 | Park Bong-Ko | KOR |
46.96 | ||
| 🥉 | Yusuke Ishitsuka | JPN |
47.12 |