# 2019 Asian Athletics Championships – Men's 400 metres

The men's 400 metres at the 2019 Asian Athletics Championships was held on 21 and 22 April.

## Medalists

| Gold | Silver | Bronze |
| Yousef Karam Kuwait | Abbas Abubakar Abbas Bahrain | Mikhail Litvin Kazakhstan |

## Results
### Heats

Qualification rule: First 3 in each heat (Q) and the next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 3 | Julian Jrummi Walsh | Japan | 46.00 | Q |
| 2 | 4 | Arokia Rajiv | India | 46.25 | Q |
| 3 | 1 | Taha Hussein Yassen | Iraq | 46.27 | Q, NR |
| 4 | 1 | Abbas Abubakar Abbas | Bahrain | 46.27 | Q |
| 5 | 1 | Muhammed Anas Yahiya | India | 46.36 | Q |
| 6 | 1 | Ashraf Hussein Osman | Qatar | 46.54 | q, PB |
| 7 | 4 | Rikuya Ito | Japan | 46.59 | Q, SB |
| 8 | 2 | Mikhail Litvin | Kazakhstan | 46.72 | Q |
| 9 | 2 | Mehboob Ali | Pakistan | 46.96 | Q |
| 10 | 3 | Mo Il-hwan | South Korea | 47.01 | Q |
| 11 | 2 | Mohamed Nasir Abbas | Qatar | 47.05 | Q |
| 12 | 2 | Yasir Ali Al-Saadi | Iraq | 47.15 | q |
| 13 | 2 | Phitchaya Sunthonthuam | Thailand | 47.31 | q |
| 13 | 3 | Ajith Premakumara Millagaha Gedara | Sri Lanka | 47.31 | Q |
| 15 | 2 | Xu Haoran | China | 47.40 | q, SB |
| 16 | 4 | Yousef Karam | Kuwait | 47.47 | Q |
| 17 | 3 | Pan Haitao | China | 47.69 | SB |
| 18 | 1 | Andrey Sokolov | Kazakhstan | 47.93 | |
| 18 | 4 | Joyme Sequita | Philippines | 47.93 | |
| 20 | 4 | Grigoriy Derepaskin | Tajikistan | 47.94 | SB |
| 21 | 3 | Mazen Mawtan Al-Yasen | Saudi Arabia | 48.24 | |
| 22 | 4 | Ahmed Al-Yaari | Yemen | 48.27 | NR |
| 23 | 1 | Mohammad Jahir Rayhan | Bangladesh | 48.51 | |
| 23 | 2 | Kirill Sarasov | Kyrgyzstan | 48.51 | |
| 25 | 3 | Tan Zongyang | Singapore | 49.09 | |
| 26 | 1 | Saeed Bahashwan | Yemen | 49.72 | |
| 27 | 4 | Skhakhzatbek Sadykzhanuulu | Kyrgyzstan | 49.95 | PB |
| | 3 | Hassan Mansour | Lebanon | DNS | |

### Semifinals

Qualification rule: First 3 in each heat (Q) and the next 2 fastest (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Yousef Karam | Kuwait | 45.04 | Q, PB |
| 2 | 1 | Abbas Abubakar Abbas | Bahrain | 45.27 | Q, SB |
| 3 | 1 | Mikhail Litvin | Kazakhstan | 45.38 | Q, NR |
| 4 | 1 | Julian Jrummi Walsh | Japan | 45.67 | q |
| 5 | 2 | Arokia Rajiv | India | 45.96 | Q |
| 6 | 2 | Taha Hussein Yassen | Iraq | 46.04 | Q, NR |
| 7 | 1 | Muhammed Anas Yahiya | India | 46.10 | q |
| 8 | 1 | Mo Il-hwan | South Korea | 46.17 | PB |
| 9 | 2 | Rikuya Ito | Japan | 46.52 | Q, SB |
| 10 | 1 | Ashraf Hussein Osman | Qatar | 46.85 | |
| 11 | 1 | Yasir Ali Al-Saadi | Iraq | 47.01 | |
| 12 | 2 | Ajith Premakumara Millagaha Gedara | Sri Lanka | 47.07 | |
| 13 | 2 | Mohamed Nasir Abbas | Qatar | 47.10 | |
| 14 | 2 | Phitchaya Sunthonthuam | Thailand | 47.15 | |
| 15 | 2 | Xu Haoran | China | 47.23 | SB |
| 16 | 2 | Mehboob Ali | Pakistan | 47.61 | |

### Final

| Rank | Lane | Name | Nationality | Time | Notes |
| | 6 | Yousef Karam | Kuwait | 44.84 | NR |
| | 7 | Abbas Abubakar Abbas | Bahrain | 45.14 | PB |
| | 9 | Mikhail Litvin | Kazakhstan | 45.25 | NR |
| 4 | 4 | Arokia Rajiv | India | 45.37 | PB |
| 5 | 2 | Julian Jrummi Walsh | Japan | 45.55 | SB |
| 6 | 5 | Taha Hussein Yassen | Iraq | 45.74 | NR |
| 7 | 3 | Muhammed Anas Yahiya | India | 46.10 | |
| | 8 | Rikuya Ito | Japan | DQ | R163.3a |