The FIM Trial World Championship and FIM X-Trial World Championship are the most prestigious motorcycle trials tournaments of the world, organised by the Fédération Internationale de Motocyclisme. The outdoor championship is held since 1964 and the indoor (X-Trial) since 1993.
From 1964 to 1967 the championship was named Challenge Henry Groutars. From 1968 to 1974, it was the Trial European Championship, and from 1975 onwards it has been known as the World Championship.
Up until 2010, the outdoor world trial championship has been won by 6 different pilots from the UK, 5 from Spain, 2 from Finland and France, and 1 from Belgium, Germany, United States, Japan and Sweden. Since 2005, only Spanish pilots have won the outdoor and the indoor world trial championships.