Jett Lawrence goes into the season as the reigning overall champion in the 450cc class, whilst Haiden Deegan begins the campaign as the defending champion in the 250cc class.[2]
The 2025 AMA Supercross Championship is the 52nd season of off-road stadium motorcycle racing in the United States. Comprising 17 rounds, the series will run from January until May, crowning supercross champions in both the 250cc and 450cc classes, concluding with the Salt Lake City round on May 10.
2025 Monster Energy AMA Supercross Championship[3]
The 2025 AMA Motocross Championship is the 54th season of the premier off-road motocross racing series in the United States. Comprising eleven rounds across three months from late May until August, the series will crown champions in both 250cc and 450cc classes.
The 2025 SuperMotocross World Championship is the third season of the premier worldwide off-road motorcycle racing series, to be held in the United States. Combining the results of the 17 AMA Supercross Championship rounds and 11 AMA Motocross Championship events, the series comprises 31 rounds in total, with three dedicated SuperMotocross rounds that determines the overall champion of AMA off-road motorcycle racing for the season.
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