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.
Lashinda Demus is a retired American hurdler who specialized in the 400 meter hurdles, an event in which she was the 2011 world champion and 2012 Olympic gold medalist, becoming the first woman from the United States to win the Olympic 400 m hurdles title.
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 400 metres Hurdles event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of 36 participating athletes, with five qualifying heats, two semi-finals and the final held on Tuesday August 27, 1991.
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 1982 European Championships in Athens, Greece, held at Olympic Stadium "Spiros Louis" on 9 and 10 September 1982.
These are the official results of the Men's 400 metres hurdles event at the 1982 European Championships in Athens, Greece, held at Olympic Stadium "Spiros Louis" on 6, 7, and 8 September 1982.
These are the official results of the Women's 400 metres hurdles event at the 1986 European Championships in Stuttgart, West Germany, held at Neckarstadion on 28, 29, and 30 August 1986.
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.
The Women's 400 metres Hurdles at the 1984 Summer Olympics in Los Angeles, California, United States, had an entry list of 26 competitors, with four qualifying heats and two semifinals (16) before the final (8) took place on August 8, 1984. The event made its Olympic debut at these games.
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 women's 400 metres hurdles at the 2009 World Championships in Athletics was held at the Olympic Stadium on 17, 18 and 20 August.
Anna Vasylivna Ryzhykova, nee Yaroshchuk is a Ukrainian track and field athlete who specialises in the 400 metres hurdles. At the European Athletics Championships, she won silver medals in 2012 and 2018, and bronze in 2022. Ryzhykova placed fifth at the 2020 Tokyo Olympics.
Georganne Rochelle Moline is an American hurdler who specializes in the 400 metres hurdles and 400 metres. She won a spot in the 2012 Summer Olympics in the 400 meter hurdles.
