These are the official results of the men's 400 metres hurdles event at the 1983 IAAF World Championships in Helsinki, Finland. There were a total number of 34 participating athletes, with five qualifying heats, two semi-finals and the final held on 9 August 1983. Medalists Records Existing records at the start of the event. Final Semi-finals Held on Monday 1983-08-08 Qualifying heats Held on Sunday 1983-08-07 See also 1980 Men's Olympic 400m Hurdles (Moscow) 1982 Men's European Championships 400m Hurdles (Athens) 1984 Men's Olympic 400m Hurdles (Los Angeles) References Results H 400 metres hurdles at the World Athletics Championships