1991 World Championships in Athletics – Men's 4 × 400 metres relay

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 (behind the USA team's 1988 World Record, and two other US times). 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.

1991 World Championships in Athletics – Men's 4 × 400 metres relay

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 (behind the USA team's 1988 World Record, and two other US times). 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.