2023 Asian Athletics Championships – Men's 400 metres

The men's 400 metres event at the 2023 Asian Athletics Championships was held on 12 and 13 July.

Medalists

Gold	Silver	Bronze
Kentaro Sato Japan	Fuga Sato Japan	Youssef Masrahi Saudi Arabia

Results

Heats

Held on 12 July

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	2	Fuga Sato	Japan	45.97	Q
2	3	Muhammad Ajmal	India	46.06	Q
3	3	Kentaro Sato	Japan	46.08	Q
4	1	Ashraf Hussen Osman	Qatar	46.22	Q
5	2	Ammar Ismail Yahya Ibrahim	Qatar	46.27	Q
6	1	Youssef Masrahi	Saudi Arabia	46.34	Q
7	4	Rajesh Ramesh	India	46.45	Q
8	1	Rajitha Niranjan Rajakaruna	Sri Lanka	46.52	Q
9	4	Aruna Darshana	Sri Lanka	46.56	Q
10	3	Umar Osman	Malaysia	46.72	Q
11	2	Joshua Atkinson	Thailand	46.74	Q
12	2	Frederick Ramirez	Philippines	46.77	q
13	4	Mikhail Litvin	Kazakhstan	46.86	Q
14	2	Yefim Tarassov	Kazakhstan	47.27	q
15	2	Hamza Abdullah Al-Jabri	Oman	47.49	q
16	4	Kim Ui-Yeon	South Korea	47.52	q
17	3	Sarawut Nuansri	Thailand	47.55
18	1	Umajesty Williams	Philippines	47.55
19	3	Rajan Thiruben Thana	Singapore	47.69
20	4	Trần Đình Sơn	Vietnam	47.85
21	4	Zubin Percy Muncherji	Singapore	47.97
22	1	Mueed Abdul	Pakistan	48.18
23	3	Kumal Som Bahadur	Nepal	48.33	PB
24	1	Nguyễn Tùng Lâm	Vietnam	48.59
25	4	Mohamad Mortada	Lebanon	48.62
26	2	Dilshodbek Boboqulov	Uzbekistan	48.80
27	3	Adam Riffath	Maldives	50.67	PB
28	4	Abdul Rasheed Ismail	Maldives	50.72	PB
	1	Lucky Yooyamadu	Thailand	DQ

Semifinals

Held on 12 July
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	Fuga Sato	Japan	45.61	Q
2	2	Kentaro Sato	Japan	45.64	Q
3	2	Youssef Masrahi	Saudi Arabia	45.66	Q
4	2	Ashraf Hussen Osman	Qatar	45.66	Q
5	2	Muhammad Ajmal	India	45.76	q
6	1	Aruna Darshana	Sri Lanka	45.79	Q
7	1	Rajesh Ramesh	India	45.91	Q
8	2	Rajitha Niranjan Rajakaruna	Sri Lanka	46.12	q, PB
9	1	Umar Osman	Malaysia	46.42
10	2	Joshua Atkinson	Thailand	46.43
11	1	Frederick Ramirez	Philippines	46.53	PB
12	1	Mikhail Litvin	Kazakhstan	46.74
13	2	Yefim Tarassov	Kazakhstan	47.04
14	2	Hamza Abdullah Al-Jabri	Oman	47.45
15	1	Kim Ui-yeon	South Korea	47.58
	1	Ammar Ismail Yahya Ibrahim	Qatar	DNF

Final

Held on 13 July

Rank	Lane	Name	Nationality	Time	Notes
	6	Kentaro Sato	Japan	45.00	PB
	5	Fuga Sato	Japan	45.13	PB
	4	Youssef Masrahi	Saudi Arabia	45.19	SB
4	1	Muhammad Ajmal	India	45.36	PB
5	7	Ashraf Hussen Osman	Qatar	45.61
6	8	Rajesh Ramesh	India	45.67	PB
7	3	Aruna Darshana	Sri Lanka	45.69
8	2	Rajitha Niranjan Rajakaruna	Sri Lanka	46.60