Events at the 2005 Asian Athletics Championships
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
5000 m	men	women
10,000 m	men	women
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men
4 × 100 m relay	men	women
4 × 400 m relay	men	women
Road events
20 km walk	men	women
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	men	women
Shot put	men	women
Discus throw	men	women
Hammer throw	men	women
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men
v t e

The men's 400 metres event at the 2005 Asian Athletics Championships was held in Incheon, South Korea on September 1–3.

Gold	Silver	Bronze
Yuzo Kanemaru  Japan	Prasanna Amarasekara  Sri Lanka	Rohan Pradeep Kumara  Sri Lanka

Rank	Heat	Name	Nationality	Time	Notes
1	2	Rohan Pradeep Kumara	Sri Lanka	46.46	Q
2	1	Yuki Yamaguchi	Japan	46.56	Q
3	2	Hamdan Al-Bishi	Saudi Arabia	46.59	Q
4	1	Prasanna Amarasekara	Sri Lanka	46.69	Q
5	2	Yuzo Kanemaru	Japan	46.86	Q
6	1	Cho Sung-Kwon	South Korea	47.10	Q, SB
7	1	Reza Bouazar	Iran	47.13	q, SB
7	2	Mohammad Akefian	Iran	47.13	q
9	1	Mohamed Salim Al-Rawahi	Oman	47.44	NJR
10	1	Fawzi Al-Shammari	Kuwait	47.83
11	2	Jimar Aing	Philippines	48.06
12	1	Boris Khamzin	Kazakhstan	48.18
13	2	Muhd Firdaus Bin Juhari	Singapore	48.73
14	1	Ernie Candelario	Philippines	49.00
15	2	Choi Myong-Joon	South Korea	49.20
16	2	Abdul Qadeer Ghani Zada	Afghanistan	53.68	PB

Rank	Name	Nationality	Time	Notes
	Yuzo Kanemaru	Japan	46.04
	Prasanna Amarasekara	Sri Lanka	46.48
	Rohan Pradeep Kumara	Sri Lanka	46.52
4	Hamdan Al-Bishi	Saudi Arabia	46.55
5	Yuki Yamaguchi	Japan	46.65
6	Mohammad Akefian	Iran	46.93
7	Reza Bouazar	Iran	47.58
8	Cho Sung-Kwon	South Korea	47.81

• Results