Athletics at the 2018 Asian Games – Men's 400 metres

The men's 400 metres competition at the 2018 Asian Games took place on 25 and 26 August 2018 at the Gelora Bung Karno Stadium.

Schedule
All times are Western Indonesia Time (UTC+07:00)

Results

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

Round 1

 * Qualification: First 4 in each heat (Q) and the next 4 fastest (q) advance to the semifinals.

Semifinals

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