Great Britain, represented by the British Olympic Association (BOA), competed at the 1980 Summer Olympics in Moscow, Russian SFSR, Soviet Union. British athletes have competed in every Summer Olympic Games. 219 competitors, 149 men and 70 women, took part in 145 events in 14 sports.
Richard "Rich" Kenah is a former US middle-distance runner who won bronze medals over 800 metres at the 1997 World Indoor Championships and at the World Championships in Athens. After placing second in the Olympic 800m Trials, Kenah ran in the 2000 Summer Olympics in Sydney, placing 6th in his 800-meter heat.
William Frederick "Bill" Crothers is a Canadian retired athlete.
Italy competed at the 1936 Summer Olympics in Berlin, Germany. 244 competitors, 228 men and 16 women, took part in 99 events in 17 sports.
Meredith Lee Rainey-Valmon is an American runner who specialized in the 800 metres.
Kathleen "Kathy" Stella Weston is a retired female middle-distance runner from the United States. She set her personal best (2.00.73) in the women's 800 metres at the 1976 Olympic trials. She was also a member of the 1976 US Olympic team in the 800 metres. Weston attended college at California State University, Northridge.
Cynthia Shepherd "Cyndy" Poor is a retired American track and field athlete, known primarily for her success in middle-distance races.
Bryan Woodward is an American former middle distance runner who competed in the 2000 Summer Olympics. He was born in Long Beach, California.
Nicole Teter is an American middle distance runner, who specialized in the 800 metres. She is a three-time U.S. indoor champion, and a two-time Olympian. She also won a gold medal in the same category at the 2002 U.S. Outdoor Championships.
Maria "Marie" Dollinger-Hendrix was a German track and field athlete who competed in sprinting events and the 800 metres. She represented Germany at three consecutive Olympic Games: 1928, 1932 and 1936.
The 4 × 400 metres relay at the Summer Olympics is the longest track relay event held at the multi-sport event. The men's relay has been present on the Olympic athletics programme since 1912 and the women's event has been continuously held since the 1972 Olympics. The inaugural mixed 4 × 400 metres relay was held at the 2020 Olympics. It is the most prestigious 4×400 m relay race at the elite level. At the 1908 Summer Olympics, a precursor to this event was held – the 1600 m medley relay. This event, with two legs of 200 m, one of 400 m, and a final leg of 800 m, was the first track relay in Olympic history.
Evelyn Adiru is a former middle-distance runner from Uganda who specialised in the 800 metres and 1500 metres events. She won gold medal in 800 metres at the 1982 African Championships in Athletics in Cairo. She also competed for Uganda in the 1984 Summer Olympics in the same event, but did not progress to the finals.
John Sittig was an American middle-distance runner. He competed in the men's 800 metres at the 1928 Summer Olympics.
Delores "Dee" Boeckmann was an American middle-distance runner. She competed in the women's 800 metres at the 1928 Summer Olympics. Apart from competing, Boeckmann was the first woman to coach the United States national track and field team during the 1936 Summer Olympics. She was inducted into the National Track and Field Hall of Fame in 1976.
John Barnes was an American middle-distance runner. He competed in the men's 800 metres at the 1952 Summer Olympics.
Edwin Koech is a Kenyan middle-distance runner. He competed in the men's 800 metres at the 1984 Summer Olympics.
Tracy Baskin is an American middle-distance runner. He competed in the men's 800 metres at the 1988 Summer Olympics.
Maureen Stewart was a Costa Rican middle-distance runner. She competed in the women's 800 metres at the 1988 Summer Olympics.
Julie Jenkins is an American middle-distance runner. She competed in the women's 800 metres at the 1992 Summer Olympics.
Heather MacLean is an American middle distance runner.
Canada 
