The men's 400 metres event at the 2009 Asian Athletics Championships was held at the Guangdong Olympic Stadium on November 10–11.
Medalists
edit| Gold | Silver | Bronze |
Liu Xiaosheng China
|
Yuzo Kanemaru Japan
|
Ismail Al-Sabani Saudi Arabia
|
Results
editHeats
edit| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 2 | Yuzo Kanemaru | Japan |
46.15 | Q |
| 2 | 2 | Liu Xiaosheng | China |
46.17 | Q |
| 3 | 3 | Bibin Mathew |  India |
46.59 | Q |
| 4 | 3 | Reza Bouazar |  Iran |
46.62 | Q, SB |
| 5 | 2 | Mortaja Shake | India |
46.98 | q |
| 6 | 3 | Rohitha Imiya Mudiyanse |  Sri Lanka |
47.03 | q |
| 7 | 1 | Ismail Al-Sabani | Saudi Arabia |
47.16 | Q |
| 8 | 1 | Hideyuki Hirose | Japan |
47.32 | Q |
| 9 | 3 | Sergey Zaikov |  Kazakhstan |
47.47 | |
| 10 | 1 | Chanatip Ruckburee |  Thailand |
47.67 | |
| 11 | 2 | Jukkatip Pojaroen | Thailand |
47.78 | |
| 12 | 1 | Boris Khamzin | Kazakhstan |
47.84 | |
| 13 | 1 | Mohd Zafril Mohd Zuslaini |  Malaysia |
47.88 | |
| 14 | 1 | Julius Felicisimo Nierras Jr. |  Philippines |
48.07 | |
| 15 | 1 | Zhou Jie | China |
48.28 | |
| 16 | 2 | Panerselvam Yuvaaraj | Malaysia |
48.71 | |
| 17 | 2 | Saud Mohamed |  United Arab Emirates |
49.00 | |
| 18 | 3 | Farkhod Kuralov |  Tajikistan |
49.42 | PB |
| 2 | Prasanna Amarasekara | Sri Lanka |
DQ | ||
| 3 | Femi Seun Ogunode |  Qatar |
DNS |
Final
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
 |
4 | Liu Xiaosheng | China |
46.55 | |
 |
3 | Yuzo Kanemaru | Japan |
46.60 | |
 |
6 | Ismail Al-Sabani | Saudi Arabia |
46.84 | |
| 4 | 5 | Bibin Mathew | India |
47.03 | |
| 5 | 1 | Mortaja Shake | India |
47.36 | F1 |
| 6 | 2 | Rohitha Imiya Mudiyanse | Sri Lanka |
47.41 | |
| 7 | 7 | Reza Bouazar | Iran |
47.46 | F2 |
| 8 | 8 | Hideyuki Hirose | Japan |
48.52 |