The men's 100 metres was of one of 23 track events of the athletics at the 2004 Summer Olympics, in Athens. It was contested at the Athens Olympic Stadium, from August 21 to 22, by a total of 82 sprinters from 62 nations. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress.
The men's 800 metres at the 2004 Summer Olympics as part of the athletics program was held at the Athens Olympic Stadium from August 25 to 28. Seventy-two athletes from 58 nations competed. The event was won by 0.16 seconds by Yuriy Borzakovskiy of Russia, the first medal for the nation in the event. Wilson Kipketer of Denmark became the 10th man to win a second medal in the 800 metres.
The men's 400 metres competition at the 2012 Summer Olympics in London, United Kingdom, was held at the Olympic Stadium on 4–6 August. Forty-nine athletes from 38 nations competed. The event was won by 0.52 seconds by Kirani James of Grenada, earning the country its first Olympic medal. Luguelín Santos's silver was the Dominican Republic's first medal in the men's 400 metres. Lalonde Gordon's bronze was Trinidad and Tobago's first medal in the event since 1964.
The men's 400 metres hurdles competition at the 2012 Summer Olympics in London, United Kingdom took place on 3–6 August at the Olympic Stadium. There were 49 competitors from 33 nations. The event was won by Félix Sánchez of the Dominican Republic, the second victory in the men's long hurdles for both the man and the nation. Sánchez was the eighth man to win multiple medals in the event and fourth to win two golds. Michael Tinsley of the United States earned silver. Javier Culson's bronze was Puerto Rico's first medal in the event.
The men's 1500 metres competition at the 2012 Summer Olympics in London, United Kingdom, was held at the Olympic Stadium on 3–7 August. Forty-three athletes from 29 nations competed. The event was won by Taoufik Makhloufi of Algeria, the nation's first title and medal in the event since 1996. Leonel Manzano's silver was the first medal for the United States in the men's 1500 metres since 1968. Morocco earned its fourth medal in six Games with Abdalaati Iguider's bronze. Kenya's four-Games podium streak ended.
The men's 200 metres competition at the 2012 Summer Olympics in London, United Kingdom was held at the Olympic Stadium on 7–9 August. There were 54 competitors from 40 nations. The event was won by Usain Bolt of Jamaica, the first man to repeat as champion in the 200 metres. His teammates Yohan Blake (silver) and Warren Weir (bronze) completed the medal sweep; it was the seventh sweep in the men's 200 metres and the first by a nation other than the United States. Bolt's gold medal was Jamaica's third in the event, moving out of a tie with Canada and Italy for second-most overall.
The women's 800 metres at the 2013 World Championships in Athletics was held at the Luzhniki Stadium on 15–18 August.
The men's 800 metres event at the 2016 Summer Olympics took place between 12–15 August at the Olympic Stadium. Fifty-eight athletes from 39 nations competed. The event was won by 0.46 seconds by David Rudisha of Kenya, the fourth man to successfully defend Olympic gold in the 800 metres. Taoufik Makhloufi of Algeria took silver, the first medal for the nation in the 800 metres since 2000. The United States had an even longer medal-less streak broken, as Clayton Murphy's bronze was their first since 1992.
The men's 800 metres at the 2015 World Championships in Athletics was held at the Beijing National Stadium on 22, 23 and 25 August.
The men's 400 metres hurdles at the 2015 World Championships in Athletics was held at the Beijing National Stadium on 22, 23 and 25 August.
The men's 800 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 5, 6, and 8 August.
Marco Arop is a Canadian track and field athlete competing in the middle distance events. Arop is the reigning world champion in the 800 m, winning gold at the 2023 World Athletics Championship, after winning bronze the previous year at the 2022 World Athletics Championships. He was the first Canadian to win a world championship in the 800 m. Arop was also the 2019 Pan American Games champion in 800 m.
The men's 800 metres event at the 2020 Summer Olympics took place from 31 July to 4 August 2021 at the Japan National Stadium. In total 48 athletes were to start, but only 47 actually did. Emmanuel Korir of Kenya won the event by 0.17 seconds, with his countryman Ferguson Rotich taking silver. It was the fourth consecutive victory in the men's 800 metres for Kenya. Patryk Dobek earned bronze, giving Poland its first medal in the event.
The women's 800 metres event at the 2020 Summer Olympics took place from 30 July to 3 August 2021 at the Japan National Stadium. 46 athletes from 29 nations competed. 19-year-old Athing Mu of the United States won the gold medal. The silver medal went to Keely Hodgkinson of Great Britain, and the bronze medal went to Mu's American teammate Raevyn Rogers.
Bryce Hoppel is an American middle-distance runner who specializes in the 800 metres. He is the reigning 800 m world indoor champion having won gold at the 2024 World Indoor Championships in Glasgow. He also is a 7-time U.S. champion and two-time NCAA champion over the distance. At the 2024 Summer Olympics, Hoppel set an American record in the event, with a time of 1:41.67 to become the 7th fastest man at the distance.
Djamel Sedjati is an Algerian middle-distance runner specializing in the 800 meters. He is the fifth fastest man in history at the distance, behind Marco Arop, Emanuel Wanyonyi, Wilson Kipketer and world record holder David Rudisha. Sedjati won the bronze medal at the 2024 Summer Olympics in the 800 metres event.
Emmanuel Wanyonyi is a Kenyan middle-distance runner specializing in the 800 metres, who won the gold medal at the 2024 Summer Olympics in this event. With his personal best of 1:41.19 set in the 2024 Olympic 800m final, Wanyonyi was the third fastest man in history at the distance, behind Wilson Kipketer and compatriot David Rudisha, who holds the world record. shortly after, in 2024 Athletissima, Wanyoni tied the second best result in history with 1:41:11. Wanyonyi also holds the current world record in the road mile, with his time of 3:54.56.
The men's 200 metres at the 2022 World Athletics Championships was held at the Hayward Field in Eugene from 18 to 21 July 2022. The winning margin was 0.46 seconds.
The men's 800 metres at the 2022 World Athletics Championships was held at the Hayward Field in Eugene from 20 to 23 July 2022.
The men's 800 metres at the 2024 Summer Olympics was held in four rounds at the Stade de France in Paris, France, between 7 and 10 August 2024. This was the 30th time that the men's 800 metres was contested at the Summer Olympics. A total of 48 athletes were able to qualify for the event by entry standard or ranking.
