The World Championships in Athletics is an event organized by the International Association of Athletics Federations (IAAF). Originally, it was organised every four years, but this changed in 1991, and it has since been organised biennially.
2023 Budapest (Hungary) , Nemzeti Atlétikai Központ , 40,000 , 2023
2021 Eugene (USA) , Hayward Field , 10,500 (expandable to 21,000) , 1909)