These are the official results of the men's 400 metres event at the 1983 IAAF World Championships in Helsinki, Finland. There were a total number of 55 participating athletes, with seven qualifying heats and the final held on 10 August 1983.
Contents
Records
Existing records at the start of the event.
Semifinals
Quarterfinals
Qualifying heats
References
1983 World Championships in Athletics – Men's 400 metres Wikipedia(Text) CC BY-SA