2023 SuperMotocross World Championship

The 2023 SuperMotocross World Championship was the inaugural 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 ran from January to September.

2023 AMA Supercross Championship
The 2023 AMA Supercross Championship was the 50th season of off-road stadium motorcycle racing in the United States. Comprising 17 rounds, the series ran from January until May, crowning supercross champions in both the 250cc and 450cc classes, concluding with the Salt Lake City round on May 13.

2023 AMA Motocross Championship
The 2023 AMA Motocross Championship was the 52nd 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 crowned champions in both 250cc and 450cc classes.

2023 SuperMotocross World Championship
The 2023 SuperMotocross World Championship was the inaugural 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 comprised 31 rounds in total, with three dedicated SuperMotocross rounds that determined the overall champion of AMA off-road motocycle racing for the season.