The 2025 AMA Motocross Championship season was the 54th AMA Motocross National Championship season, the premier motocross series in USA.
Chase Sexton was the defending champion in the 450 class, after winning the title in 2024. Sexton was unable to defend his title after missing part of the season due to an injury sustained at the opening round. Jett Lawrence won all but two rounds of the series to take his second premier class title.
In the 250 class, Haiden Deegan was the defending champion. Deegan was able to successfully defend his championship, taking thirteen race wins and seven overall victories.
The championship formed the second part of the 2025 SuperMotocross World Championship season.
Calendar and Results
450cc RoundDateLocationRace 1 WinnerRace 2 WinnerRound Winner 1 May 24 Fox Raceway National Jett Lawrence Jett Lawrence Jett Lawrence 2 May 31 Hangtown Motocross Classic Eli Tomac Jett Lawrence Jett Lawrence 3 June 7 Thunder Valley National Jett Lawrence Jett Lawrence Jett Lawrence 4 June 14 High Point National Jett Lawrence Eli Tomac Jett Lawrence 5 June 28 Southwick National Jett Lawrence Jett Lawrence Jett Lawrence 6 July 5 Red Bud National Jett Lawrence Jett Lawrence Jett Lawrence 7 July 12 Spring Creek National Hunter Lawrence Jett Lawrence Jett Lawrence 8 July 19 Washougal National Chase Sexton Jett Lawrence Chase Sexton 9 August 9 Ironman National Chase Sexton Jett Lawrence Hunter Lawrence 10 August 16 Unadilla National Jett Lawrence Jett Lawrence Jett Lawrence 11 August 23 Budds Creek National Jett Lawrence Hunter Lawrence Jett Lawrence
250cc RoundDateLocationRace 1 WinnerRace 2 WinnerRound Winner 1 May 24 Fox Raceway National Haiden Deegan Haiden Deegan Haiden Deegan 2 May 31 Hangtown Motocross Classic Haiden Deegan Haiden Deegan Haiden Deegan 3 June 7 Thunder Valley National Chance Hymas Chance Hymas Chance Hymas 4 June 14 High Point National Haiden Deegan Haiden Deegan Haiden Deegan 5 June 28 Southwick National Haiden Deegan Haiden Deegan Haiden Deegan 6 July 5 Red Bud National Jo Shimoda Jo Shimoda Jo Shimoda 7 July 12 Spring Creek National Haiden Deegan Jeremy Martin Haiden Deegan 8 July 19 Washougal National Haiden Deegan Jo Shimoda Jo Shimoda 9 August 9 Ironman National Haiden Deegan Haiden Deegan Haiden Deegan 10 August 16 Unadilla National Jo Shimoda Jo Shimoda Jo Shimoda 11 August 23 Budds Creek National Cole Davies Haiden Deegan Haiden Deegan
Track locations
450cc Entry list