2011 Asian Athletics Championships – Women's 400 metres
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2011 Asian Athletics Championships 
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|---|---|---|---|---|
| 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 | women | ||
| 4×100 m relay | men | women | ||
| 4×400 m relay | 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 | |||
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.
First 3 in each heat (Q) and 2 best performers (q) advance to the finals.
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