World Athletics Championships

The World Athletics Championships, known as the IAAF World Championships in Athletics until 2019, are a biennial athletics competition organized by World Athletics, formerly International Association of Athletics Federations. Alongside the Olympic Games, the championships represents the highest level of senior international outdoor athletics competition for track and field athletics globally, including marathon running and race walking. Separate World Championships are held by World Athletics for certain other outdoor events, including cross-country running and half-marathon, as well as indoor and age-group championship.