The 2004 Summer Olympics, officially known as the Games of the XXVIII Olympiad, were a summer multi-sport event held in Athens, the capital city of Greece, from 13 to 29 August 2004. A total of 10,625 athletes from 201 countries represented by National Olympic Committees participated in these games, competing in 301 events in 28 sports. Kiribati and Timor Leste competed for the first time in these Olympic Games.
Canada has competed at 23 Summer Olympic Games, missing only the inaugural 1896 Summer Olympics and the boycotted 1980 Summer Olympics. The nation made its debut at the 1900 Summer Olympics. Canada competes under the IOC country code CAN.
Competitors at the Olympic Games have used banned athletic performance-enhancing drugs.
Athletics at the 2008 Summer Olympics were held during the last ten days of the games, from August 15 to August 24, 2008, at the Beijing National Stadium. The Olympic sport of athletics is split into four distinct sets of events: track and field events, road running events, and racewalking events.
Originally having participated in Olympics as the delegation of the Republic of China (ROC) from 1924 to 1976, China competed at the Olympic Games under the name of the People's Republic of China (PRC) for the first time in 1952, at the Summer Games in Helsinki, Finland, although they only arrived in time to participate in one event. That year, the International Olympic Committee (IOC) allowed both the PRC and ROC to compete, although the latter withdrew in protest. Due to the dispute over the political status of China, the PRC did not participate in the Olympics again until the 1980 Winter Olympics in Lake Placid, United States. Their first appearance at the Summer Olympic Games after 1952 was the 1984 Summer Olympics in Los Angeles, United States. The People's Republic of China staged boycotts of the Games of the XVI Olympiad in Melbourne Australia, Games of the XVII Olympiad in Rome Italy, Games of the XVIII Olympiad in Tokyo Japan, Games of the XIX Olympiad in Mexico City Mexico, Games of the XX Olympiad in Munich Germany, and Games of the XXI Olympiad in Montreal Canada. China also boycott the Games of the XXII Olympiad in Moscow USSR due to the American-led boycott and the ongoing Sino-Soviet split, together with the other countries.
The 4 × 400 metres relay races at the 2000 Summer Olympics as part of the athletics program were held on 29 and 30 September. The top two teams in each of the initial five heats automatically qualified for the semi-final. The next six fastest teams from across the heats also qualified. The top three teams in each of the semi-finals automatically qualified for the final. The next two fastest team from the semi-finals also qualified.
Weightlifting competitions at the 2008 Summer Olympics in Beijing, China were held from August 9 to August 19. Competitions were conducted at the Beihang University Gymnasium.
The 2008 Summer Olympics, officially known as the Games of the XXIX Olympiad, were a summer multi-sport event held in Beijing, the capital of the People's Republic of China, from 8 to 24 August 2008. Approximately 10,942 athletes from 204 National Olympic Committees (NOCs) participated in 302 events in 28 sports.
The 2014 Winter Olympics, officially known as the XXII Olympic Winter Games, were a winter multi-sport event held in Sochi, Russia, from 7 to 23 February. A total of 2,873 athletes from 88 nations participated in 98 events in 7 sports across 15 different disciplines.
The athletics competitions at the 2012 Olympic Games in London were held during the last 10 days of the Games, on 3–12 August. Track and field events took place at the Olympic Stadium in east London. The road events, however, started and finished on The Mall in central London.
Weightlifting competitions at the 2012 Summer Olympics in London were held from 28 July to 7 August in the ExCeL venue. Fifteen gold medals were awarded and 260 athletes took part.
Russia competed at the 2014 Winter Olympics in Sochi, from 7 to 23 February 2014 as the host nation. As host, Russia participated in all 15 sports, with a team consisting of 232 athletes. It is Russia's largest Winter Olympics team to date.
The 2012 Summer Olympics, officially known as the Games of the XXX Olympiad, was a summer multi-sport event held in London, the capital of the United Kingdom, from 27 July to 12 August. A total of 10,768 athletes from 204 nations participated in 302 events in 26 sports across 39 different disciplines.
Weightlifting competitions at the 2016 Summer Olympics in Rio de Janeiro took place from 6 to 16 August at the Pavilion 2 of Riocentro. 260 athletes competed in 15 different events according to their respective weight categories. Bulgaria and Russia were banned from participating in the sport for systematic doping.
The Russian Federation competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was Russia's sixth consecutive appearance at the Summer Olympics as an independent nation.
The Men's 77 kg weightlifting competitions at the 2016 Summer Olympics in Rio de Janeiro took place on 10 August at the Pavilion 2 of Riocentro. Nijat Rahimov originally won the gold medal but was disqualified in March 2022 by the Court of Arbitration for Sport for a doping violation. As of March 2022, medals for this event have not been reallocated, a process that could extend to 2024. If the medal is reallocated, Lü Xiaojun stands to win his third Olympic weightlifting gold medal.
Brazil 
United States (46)
