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.

Antoni Bou i Mena is a Spanish professional motorcycle trials rider. He has been the sole outdoor and indoor FIM Trial World Championship champion from 2007 to 2023. With these 34 world titles, he is the most successful rider in history, surpassing Dougie Lampkin and Jordi Tarrés who is third with 7 outdoor titles. At the age of 20 years and 5 months, Bou was the second youngest rider ever to win the World Indoor Title, and the youngest to do it on a 4-stroke motorbike.