Summer Olympic Games

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Lore & Background

The International Olympic Committee (IOC) was founded in 1894 when Pierre de Coubertin, a French pedagogue and historian, sought to promote international understanding through sporting competition. The first edition of The Olympic Games was held in Athens in 1896 and attracted just 245 competitors, of whom more than 200 were Greek, and only 14 countries were represented. Female athletes were not allowed to compete, though one woman, Stamata Revithi, ran the marathon course on her own, saying, 'If the committee doesn't let me compete, I will go after them regardless'. Women first participated officially in the 1900 Paris Games, with 22 women competing in five sports. The 1896 Games were regarded as a great success, with the highlight being the Marathon victory by Greek water carrier Spiridon Louis, who won in 2 hours, 58 minutes and 50 seconds, setting off wild celebrations at the stadium. The most successful competitor was German wrestler and gymnast Carl Schuhmann, who won four gold medals. The 1908 London Games saw the first running of the marathon over its now-standard distance of 42.195 km, chosen to ensure the race finished in front of the British royal family's box. At the end of that marathon, Italian runner Dorando Pietri entered the stadium first but collapsed; he was helped over the finish line by officials and later disqualified.

Reader's Guide

The Summer Olympics have increased in scope from a 42-event competition programme in 1896 with fewer than 250 male competitors from 14 nations, to 339 events in 2021 (2020 Summer Olympics) with 11,319 competitors (almost half of whom were women) from 206 nations. The Games have been held in nineteen countries over five continents. The United States has hosted four times: 1904 in St. Louis, 1932 and 1984 in Los Angeles, and 1996 in Atlanta; Los Angeles will host for the fifth time in 2028. London and Paris have each hosted three times; Paris hosted for the third time in 2024, and London became the first city to host three times in 2012. Only three countries—Australia, France, and Great Britain—have won at least one medal in every Summer Olympic Games, and only Great Britain has won at least a gold medal in every edition. The United States leads the all-time medal count for the Summer Olympics and has topped the medal table on 19 separate occasions. Hosting the Games requires and accelerates large investments in city infrastructure, and the Games now play a key role in city leaders' plans to strengthen their cities' global integration and economic competitiveness.

Did You Know?

• The 1896 Games had only 245 competitors, with more than 200 from Greece, and only 14 countries represented.
• Stamata Revithi ran the 1896 marathon course on her own after being barred from official competition, saying, 'If the committee doesn't let me compete, I will go after them regardless'.
• The marathon distance was set at 42.195 km for the 1908 London Games so the race would finish in front of the British royal family's box.
• Italian runner Dorando Pietri was disqualified from the 1908 marathon after being helped across the finish line by officials when he collapsed.
• Only Great Britain has won at least a gold medal in every edition of the Summer Olympic Games.

The Shifting Roster of Olympic Sports

The Olympic programme is far from static. The 2024 Paris Games featured 32 distinct sports, while the 2022 Winter edition in Beijing included seven. New additions have become a hallmark of recent Games: Tokyo 2020 welcomed karate, skateboarding, sport climbing, and surfing as Olympic newcomers, and Paris 2024 added breakdancing to the mix. Looking ahead, ski mountaineering is set to debut at the 2026 Winter Games in Italy, while flag football and squash will make their first appearances at the 2028 Los Angeles Summer Olympics. Cricket and lacrosse, both with earlier Olympic histories, are also slated to return after long absences. Over the full arc of Olympic history, the roster has expanded considerably, though the five summer sports—athletics, aquatics, cycling, fencing, and gymnastics—have never once been dropped from the programme, and the three winter sports of skiing, skating, and ice hockey have appeared at every Winter Games.

A Hierarchy of Sports, Disciplines, and Events

The IOC organizes Olympic competition through a layered taxonomy. At the top sits the sport, which encompasses every discipline governed by a single international federation. A discipline, in IOC terms, requires either its own dedicated playing field or a substantial modification of another discipline's venue, and typically involves a separate cohort of athletes. Aquatics illustrates this structure vividly: under the umbrella of World Aquatics, it contains six disciplines—swimming, artistic swimming, diving, water polo, open-water swimming, and high diving—yet only five of those are Olympic, and together they produce 46 medal events. Skiing holds the record for the most Olympic disciplines at six, spanning alpine, cross-country, ski jumping, snowboarding, freestyle, and freeriding. The number of events per sport varies enormously, from a historical low of one or two up to athletics' 48, even though athletics is not subdivided into disciplines the way aquatics is. Notably, the IOC's definition of a discipline can diverge from a federation's own classification; for instance, the IOC treats artistic gymnastics as one discipline, while the International Federation of Gymnastics splits men's and women's events into separate categories.

Governance, Caps, and the Question of What Belongs

Inclusion in the Olympic programme is not automatic. A sport must be governed by an international federation that the IOC has formally recognized, a requirement codified in the Olympic Charter's Bye-laws to Rule 45. While earlier editions of the Charter imposed criteria around how widely a sport was practiced, those specific thresholds have since been abolished. What remains as a practical constraint is the sheer scale of the Games: the 2023 Charter sets approximate ceilings of 10,500 athletes, 5,000 support personnel, and 310 events for the Summer Olympics, and 2,900 athletes, 2,000 support staff, and 100 events for the Winter Games. Another notable shift came in 2016, when the IOC removed the long-standing ban on mechanically propelled sports from the Charter, opening a theoretical path for automobile, motorcycle, air, and powerboating disciplines to one day appear at the Olympics.

The Lost Promise of 'All Games, All Nations'

Pierre de Coubertin founded the modern Olympic movement on the principle that every nation's games deserved a place on the global stage. In practice, that ideal was only briefly honored. At the 1904 St. The organizers of those Games, however, quickly sidelined this multicultural element, and within a few years it had disappeared entirely. From that point forward, the Olympic programme became overwhelmingly dominated by Western sports, a pattern that persisted for most of the twentieth century. It is only in the 21st century that the programme has begun to reflect a broader range of athletic traditions, with sports like skateboarding, surfing, and breakdancing finding their way into the Olympic fold.