400 m, Men
| Competition | 2009 Asian Youth Games |
|---|---|
| Venue |
Singapore
 SGP
|
| Held | 30 June – 2 July 2009 |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Masanori Oishi |  JPN |
48.92 | ||
| 🥈 | Nitipol Thongpoon |  THA |
49.27 | ||
| 🥉 | Abdullah Abkar |  KSA |
49.29 |