2011 Asian Athletics Championships – Women's 400 metres

The women's 400 metres at the 2011 Asian Athletics Championships was held at the Kobe Universiade Memorial Stadium on 7 and 8 July.

The original gold and silver medallists, Kazakhstan's Olga Tereshkova and Iraq's Gulustan Ieso, were later disqualified after testing positive for testosterone and methylhexaneamine, respectively. Initial bronze medallist Chen Jingwen of China was elevated to the gold medal position, while fourth and fifth placed runners Chandrika Subashini and Chisato Tanaka moved into the minor medal positions.

Medalists

Gold	Chen Jingwen China
Silver	Chandrika Subashini Sri Lanka
Bronze	Chisato Tanaka Japan

Records

Standing records prior to the 2010 European Athletics Championships
World record	Marita Koch (GDR)	47.60	Canberra, Australia	6 October 1985
Asian record	Ma Yuqin (CHN)	49.81	Beijing, China	11 September 1993
Championship record	Damayanthi Dharsha (SRI)	51.05	Jakarta, Indonesia	2000
World Leading	Allyson Felix (USA)	49.81	Rome, Italy	26 May 2011
Asian Leading	Chandrika Subashini (SRI)	52.66	Kingston, Jamaica	23 June 2011

Schedule

Date	Time	Round
7 July 2011	11:00	Round 1
8 July 2011	18:40	Final

Results

Round 1

First 3 in each heat (Q) and 2 best performers (q) advance to the finals.

Rank	Heat	Name	Nationality	Time	Notes
1	2	Chandrika Subashini	Sri Lanka	54.05	Q
2	1	Chen Jingwen	China	54.06	Q
3	1	Chisato Tanaka	Japan	54.16	Q
4	1	Miho Shingu	Japan	54.36	Q
5	2	Sayaka Aoki	Japan	54.46	q
6	1	Alaa Al-Qaysi	Iraq	54.68	q
7	2	Yujin Woo	South Korea	55.78
8	1	Leong Ka Man	Macau	1:00.04
	2	Olga Tereshkova	Kazakhstan	53.53	Q, DQ
	2	Gulustan Ieso	Iraq	53.81	Q, DQ
	1	Marina Maslyonko	Kazakhstan	DNF

Final

Rank	Lane	Name	Nationality	Time	Notes
	7	Chen Jingwen	China	52.89
	9	Chandrika Subashini	Sri Lanka	53.35
	4	Chisato Tanaka	Japan	54.08
4	2	Sayaka Aoki	Japan	54.15
5	8	Miho Shingu	Japan	54.28
6	3	Alaa Al-Qaysi	Iraq	54.85
	5	Olga Tereshkova	Kazakhstan	52.37	DQ
	6	Gulustan Ieso	Iraq	52.80	DQ