The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women.
The men's 400 metres hurdles at the 1988 Summer Olympics in Seoul, South Korea had an entry list of 38 competitors, with five qualifying heats and two semifinals (16) before the final (8) took place on Sunday September 25, 1988. One athlete did not start, so there were 37 competitors from 28 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Andre Phillips of the United States, the nation's second consecutive and 14th overall victory in the event. Amadou Dia Ba earned Senegal's first medal in the event with his silver. Dia Ba broke up a potential American sweep, as 1976 and 1984 champion Edwin Moses took bronze and Kevin Young placed fourth. Moses was the second man to earn three medals in the event.
The men's 400 metres hurdles was an event at the 1996 Summer Olympics in Atlanta, Georgia. There were 55 competitors from 35 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Derrick Adkins of the United States, the nation's fourth consecutive and 16th overall victory in the event. Samuel Matete of Zambia earned that nation's first medal in the event with his silver. American Calvin Davis took bronze.
The men's 400 metres hurdles was an event at the 1992 Summer Olympics in Barcelona, Spain. It was held from 3 to 6 August at the Estadi Olímpic Lluís Companys. There were 47 competitors from 35 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Kevin Young of the United States, the nation's third consecutive and 15th overall victory in the event. Winthrop Graham earned Jamaica's first men's 400 metres hurdles medal with his silver. Kriss Akabusi earned bronze, putting Great Britain on the podium in the event for the first time since 1980. The three medalists had finished in the same order in 1988, just outside of the medals that year in fourth through sixth places.
These are the official results of the Men's 110 metres Hurdles event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of 38 participating athletes, with two semi-finals and five qualifying heats and the final held on Thursday August 29, 1991.
These are the official results of the Women's 100 metres Hurdles event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of 33 participating athletes, with two semi-finals and five qualifying heats and the final held on Friday August 30, 1991.
These are the official results of the Women's 400 metres Hurdles event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of 33 participating athletes, with five qualifying heats, two semi-finals and the final held on Thursday August 29, 1991.
These are the official results of the Men's 4x400 metres event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of sixteen participating nations, with three qualifying heats and the final held on Sunday September 1, 1991. The final was won by Great Britain in what was, at the time, the fourth fastest time in history. Going into the meeting, the USA 4 × 400 m team hadn't lost at a major championships in over 7 years. Britain, by contrast, hadn't won a gold medal in the event since the 1936 Berlin Olympics.
These are the official results of the Men's 110 metres Hurdles event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total of 47 participating athletes, with three semi-finals and six qualifying heats and the final held on Friday August 20, 1993. The gold medal was won by Colin Jackson of Great Britain with a world record time of 12.91 seconds.
These are the official results of the Men's 400 metres Hurdles event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total of 49 participating athletes, with seven qualifying heats, three semi-finals and the final held on Thursday 1993-08-19.
These are the official results of the Women's 400 metres Hurdles event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total number of 36 participating athletes, with Five qualifying heats, three semi-finals and the final held on Thursday 1993-08-19.
These are the official results of the Men's 400 metres Hurdles event at the 1995 IAAF World Championships in Gothenburg, Sweden. There were a total number of 54 participating athletes, with seven qualifying heats, two semi-finals and the final held on Thursday 1995-08-10.
These are the official results of the Men's 400 metres Hurdles event at the 1997 IAAF World Championships in Athens, Greece. There were a total number of 51 participating athletes, with seven qualifying heats, three semi-finals and the final held on Monday 4 August 1997.
These are the official results of the Men's 400 metres Hurdles event at the 1999 IAAF World Championships in Seville, Spain. There were a total number of 50 participating athletes, with seven qualifying heats, two semi-finals and the final held on Friday, 27 August 1999 at 21:00.
These are the official results of the Men's 400 metres Hurdles event at the 2001 IAAF World Championships in Edmonton, Alberta, Canada. There were a total number of 42 participating athletes, with six qualifying heats, three semi-finals and the final held on Friday August 10, 2001 at 21:05h.
These are the official results of the Women's 400 metres Hurdles event at the 1983 IAAF World Championships in Helsinki, Finland. There were a total number of 31 participating athletes, with four qualifying heats, two semi-finals and the final held on Wednesday 1983-08-10.
These are the official results of the Women's 400 metres Hurdles event at the 1987 IAAF World Championships in Rome, Italy. There were a total number of 35 participating athletes, with five qualifying heats, two semi-finals and the final held on Thursday 1987-09-03.
These are the official results of the Women's 400 metres Hurdles event at the 1999 IAAF World Championships in Seville, Spain. There were a total number of 28 participating athletes, with four qualifying heats, two semi-finals and the final held on Wednesday 1999-08-25 at 20:45h.
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.
The men's 400 metres hurdles at the 2009 World Championships in Athletics was held at the Olympic Stadium on 15, 16 and 18 August.
