These are the official results of the Men's 400 metres event at the 1991 IAAF World Championships in

Tokyo, Japan Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

. There were a total of 46 participating athletes, with six qualifying heats and the final held on Thursday August 29, 1991. The winning margin was 0.05 seconds.

Medalists

Schedule

*''All times are

Japan Standard Time , or , is the standard time zone in Japan, 9 hours ahead of UTC (UTC+09:00). Japan does not observe daylight saving time, though its introduction has been debated on several occasions. During World War II, the time zone was often referred to a ...

(

UTC+9 UTC+09:00 is an identifier for a time offset from UTC of +09:00. During the Japanese occupations of British Borneo, Burma, Hong Kong, Dutch East Indies, Malaya, Philippines, Singapore, and French Indochina, it was used as a common time with ...

)''

Final

Semifinals

*Held on Tuesday 1991-08-27

Quarterfinals

*Held on Monday 1991-08-26

Qualifying heats

*Held on Sunday 1991-08-25

References

Results
{{DEFAULTSORT:1991 World Championships In Athletics - Men's 400 Metres 400 metres at the World Athletics Championships