Jett Lawrence went into the season as the reigning overall champion in the 450cc class, while Haiden Deegan began the campaign as the defending champion in the 250cc class.[2]
Lawrence was able to successfully defend his title in the 450cc class, making him a three-time champion. In the 250cc class, Jo Shimoda took his first SuperMotocross World Championship, after a battle against reigning champion Deegan across the three play off rounds.
The 2025 AMA Supercross Championship was the 52nd 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 10.
2025 Monster Energy AMA Supercross Championship[3]
The 2025 AMA Motocross Championship was 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 crowned champions in both 250cc and 450cc classes.
The 2025 SuperMotocross World Championship was 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 comprised 31 rounds in total, with three dedicated SuperMotocross rounds that determined the overall champion of AMA off-road motorcycle racing for the season.
Riders from 21st-30th in the combined standings will compete in the Last Chance Qualifier in each event, with the top 2 from this competing in the main events with the seeded riders. The LCQ is also open to riders who won a supercross main event or motocross moto if they did not finish inside the top 30. If a seeded top 20 rider is unable to compete in an event, an additional opportunity to qualify will be given to riders in the LCQ.
Riders from 21st-30th in the combined standings will compete in the Last Chance Qualifier in each event, with the top 2 from this competing in the main events with the seeded riders. The LCQ is also open to riders who won a supercross main event or motocross moto if they did not finish inside the top 30. If a seeded top 20 rider is unable to compete in an event, an additional opportunity to qualify will be given to riders in the LCQ.
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