• AMA District 37– Southern California’s Sister to District 36
  • MRANN– Motorcycle Racing Association of Northern Nevada
  • OMRA– Oregon Motorcycle Riders Association
  • NMA– Northwestern Motorcycle Association (WA)
  • SIDRA– South Western Idaho Desert Racing Association
  • MRAN– Motorcycle Racing Association of Nevada
  • WORCS – Worcs Racing
  • SCORE– Score International Off-Road Racing (NV and Baja Mexico)
  • RMEC– Rocky Mountain Enduro Circuit (AZ, CO, NM, TX, WY)
  • TSCEC– Texas State Championship Enduro Circuit
  • TXORR– Texas Extreme Off Road Racing
  • TCCRA– Texas Cross Country Racing Association (North Central TX)
  • OCCRA– Oaklahoma Cross Country Racing Association
  • AHSCS– Arkansas Hare Scramble Championship Series
  • GNCC– Grand National Cross Country Series (Eastern Region)
  • SETRA– Southeastern Enduro & Trail Riders Association (NC, SC, GA, AL, FL)
  • NETRA– New England Trail Riders Association (RI, CT, MA, NH, NY)
  • ECEA– East Coast Enduro Association (DE, NJ, MD, NY, RI, PA)
  • Sacramento PITS, Inc. – AMA Nor Cal Observed Trails