400 m, Men
| Competition | 2009 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Vientiane
 LAO
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Mohamed Zafril Zuslaini |  MAS |
47.11 | ||
| 🥈 | Heru Astriyanto |  INA |
47.35 | ||
| 🥉 | Jukkatip Pojaroen |  THA |
47.53 |