The men's 4 × 400 metres relay at the 2004 Summer Olympics as part of the athletics program was held at the Athens Olympic Stadium from August 27 to 28. The sixteen teams competed in a two-heat qualifying round in which the first three teams from each heat, together with the next two fastest teams, were given a place in the final race.
The men's 400 metres at the 1988 Summer Olympics in Seoul, South Korea took place between 24 and 28 September 1988. Seventy-five athletes from 55 nations competed. The maximum number of athletes per nation had been set at three since the 1930 Olympic Congress. The event was won by 0.06 seconds by Steve Lewis of the United States, the second in what would ultimately be seven consecutive American victories stretching from 1984 to 2008. As of May 2024, this remains the narrowest winning margin in the event since the introduction of fully automatic timing. The United States swept the podium in the event for the third time, having previously done so in 1904 and 1968.
LaShawn Merritt is a retired American track and field athlete who competed in sprinting events, specializing in the 400 metres. He is a former Olympic champion over the distance and his personal best of 43.65 seconds makes him the eleventh fastest of all time.
These are the official results of the Men's 400 metres event at the 1991 IAAF World Championships in Tokyo, Japan. 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.
These are the official results of the Men's 4 × 400 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 1 September 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 metres team hadn't lost at a major championships in over seven 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 400 metres event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total number of 43 participating athletes, with six qualifying heats and the final held on Tuesday 1993-08-17. The winning margin was 0.48 seconds.
These are the official results of the Men's 4 × 400 metres event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total number of eighteen participating nations, with three qualifying heats and the final held on Sunday, August 22, 1993. The current world record for the event was set in the final.
The men's 400 metres at the 2008 Summer Olympics took place on 18–21 August at the Beijing National Stadium. Fifty-five athletes from 40 nations competed.
These are the official results of the Men's 400 metres event at the 1999 IAAF World Championships in Seville, Spain. There were a total number of 48 participating athletes, with six qualifying heats, four quarter-finals, two semi-finals and the final held on Thursday 26 August 1999 at 8.45 pm. The winning margin was 1.11 seconds which as of May 2024 remains the greatest winning margin in the history of the men's 400 metres at these championships and the only time this race has been won by over one second. It was also a greater winning margin than the men's 5,000 metres in 1999.
These are the official results of the Men's 400 metres event at the 2001 IAAF World Championships in Edmonton, Canada. There were a total number of 55 participating athletes, with seven qualifying heats, three semi-finals and the final held on Monday 6 August 2001 at 18:25h. The winning margin was 0.23 seconds.
These are the official results of the men's 100 metres event at the 2003 IAAF World Championships in Paris, France. There were a total number of 79 participating athletes, with ten qualifying heats, four quarter-finals, two semi-finals and the final held on Monday 25 August 2003.
These are the official results of the Men's 200 metres event at the 2003 IAAF World Championships in Paris, France. There were a total number of 59 participating athletes, with eight qualifying heats, four quarter-finals, two semi-finals and the final held on Friday 29 August 2003 at 21:00h. The winning margin was 0.01 seconds.
The men's 400 metres at the 2007 World Championships in Athletics was held at the Nagai Stadium on 28, 29 and 31 August. The winning margin was 0.51 seconds.
The men's 400 metres at the 2011 World Championships in Athletics was held at the Daegu Stadium on August 28, 29 and 30. The winning margin was 0.03 seconds.
The swimming events of the 15th FINA World Aquatics Championships were held July 28 – August 4, 2013, in Barcelona, Spain. The competition was held in a long course pool inside the Palau Sant Jordi. It featured 40 LCM events, split evenly between males and females. Swimming was one of the five aquatic disciplines at the championships.
The men's 400 metres at the 2014 European Athletics Championships took place at the Letzigrund on 12, 13, and 15 August.
The men's 400 metres event at the 1989 IAAF World Indoor Championships was held at the Budapest Sportcsarnok in Budapest on 4 and 5 March 1989.
The men's 400 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 5, 6, and 8 August. The winning margin was 0.43 seconds.
The men's 400 metres hurdles at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 6–9 August.
The men's 400 metres at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha on 1, 2 and 4 October 2019. The winning margin was 0.67 seconds which as of 2024 is the greatest winning margin in the men's 400 metres at these championships since the retirement of Michael Johnson.
