2025 SuperMotocross World Championship
The 2025 SuperMotocross World Championship is the third edition of the premier combined discipline off-road motorcycle racing competition, held in the United States. Combining the AMA Supercross Championship and the AMA Motocross Championship, along with three final SuperMotocross rounds, the total length of the series will run from January to September.
Jett Lawrence goes into the season as the reigning overall champion in the 450cc class, while Haiden Deegan begins the campaign as the defending champion in the 250cc class.