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

The men's 400 metres hurdles event at the 2010 Asian Games was held at the Aoti Main Stadium, Guangzhou, China on 24–25 November.

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

Results

 * Legend
 * DNF — Did not finish
 * DNS — Did not start
 * DSQ — Disqualified

Round 1

 * Qualification: First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.