2024 European Athletics Championships – Men's 400 metres

The men's 400 metres at the 2024 European Athletics Championships took place at the Stadio Olimpico from 8 to 10 June.

Schedule
All times are local times (UTC+2)

Round 1
The next 14 fastest (q) advanced to the semifinals. The 10 highest ranked athletes received a bye into the semifinals.

Semifinals
The first 2 in each heat (Q) and the next 2 fastest (q) advance to the final. * Athletes that received a bye into the semifinal

Final
The final started on 10 June at 21:40.