Mammoth Motocross

Public registration opens May 20, 2022. Times for registration vary. Limited spots are available.


 Vet Weekend 


 Stacyc Mini Championship


 All Other Categories

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Registration Details

  • All entries are the property of the Mammoth Motocross, are non-refundable, not transferable, and not available for resale. Once entries have been submitted to Regio, Sale is final. Identification is required for riders in practice and races. Any questions regarding these matters may be directed to 559.899.0371.
  • Riders responsibility to have the correct number and background prior to staging for first moto. 
  • Red Backgrounds for King of the West Class Winners Only

White Backgrounds/Black Numbers 
All C Classes
65cc 6-9 - White Backgrounds/Black Numbers
85cc 9-12- White Backgrounds/Black Numbers

Black Backgrounds/White Numbers
All B Classes
65cc10-11- Black Backgrounds/White Numbers

Yellow Backgrounds/Black Numbers
All Pro/A Classes

Smoke and Fire Vintage - Your Choice
All 50+ A - Your Choice
All 50+ B - Your Choice 
All 50+ C - Your Choice
All 60+ - Your Choice
50cc - Your Choice
65cc Open - Your Choice
Mini Sr 1 12-13 - Your Choice
Mini Sr 2 9-14 - Your Choice
Supermini 1,2 - Your Choice
Schoolboy 1,2 - Your Choice
College Boy - Your Choice
Women 12+ - Your Choice
Two Stroke Challenge - Your Choice
+25 A/B/C - Your Choice
125cc - Your Choice
250 B/C Open - Your Choice
250 C Jr - Your Choice