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.
Athletics at the 2010 Asian Games – Men's 400 metres hurdles Wikipedia
All times are China Standard Time (UTC+08:00)
Prior to this competition, the existing world and Asian records were as follows.Legend
DNF — Did not finish
DNS — Did not start
DSQ — Disqualified
Qualification: First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.