Athletics at the 2010 Asian Games – Men's 400 metres

The men's 400 metres event at the 2010 Asian Games was held at the Aoti Main Stadium, Guangzhou, China on 21–22 November.

Schedule
All times are China Standard Time (UTC+08:00)

Results

 * Legend
 * DSQ — Disqualified

Round 1

 * Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the final.