Race Classes

2026 Season Race Classes

The classes listed below are also listed in the AMA Rulebook. Please refer to the AMA Rulebook for detailed information regarding eligibilty for your motorcycle and your rider.

YOUTH

All MSC Events
  • MICRO-E 4-8: 1KWh Battery Energy
  • MICRO 2 4-6: 0-51cc
  • MICRO 3 7-8: 0-51cc
  • MICRO 4-8: Special Limited
  • MICRO Open: 4-8 0-51cc Single or Multi Speed automatic
  • 65cc  7-9
  • 65cc  7-11
  • 65cc 10-11
  • Junior Mini 9-11
  • Mid Mini 9-13
  • Girls 9-16
  • Senior Mini 12-15
  • Supermini 12-16
  • Schoolboy 12-17
Wheel Sizes determined by the AMA Rule book
 

ADVANCEMENT

All MSC Events
  • 250 Pro Sport
  • 250 Amateur
  • 250 Novice
  • Open Pro Sport
  • Open Amateur
  • Open Novice
  • Plus 25 A
  • Plus 25 B/C
  • Plus 30 A
  • Plus 30 B/C
  • Plus 40 A
  • Plus 40 B/C

ALL CLASSES WILL FOLLOW AMA RULES FOR 2026.  PAY ATTENTION TO CHANGES IN THE AMA RULE BOOK.

ONLY THE ABOVE LISTED CLASSES WILL RECEIVE CHAMPIONSHIP AWARDS AT THE END OF THE SEASON.

NON-ADVANCEMENT

All MSC Events
  • 125 Two Stroke Only
  • Collegeboy 18-24
  • E-Bike Open 16+ (Stark)
  • Plus 35
  • Plus 45
  • Plus 50
  • Plus 60
  • Women 12+
  • Y2K: Bikes up to 2009 Yr
    • Vintage 70’s, 80’s, & 90’s at 2x Points Events Only

Tracks may run additional classes if time allows.

It is mandatory that chest and back protection be worn by all competitors. The protector may be worn under or over the jersey, and it should cover the sternum anterior ribs, posterior ribs, and spine from T1 to T12.

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