2017-18 Season Classes*

Some changes to classes and additions of classes to be announced shortly (9/21/17)

Pro Classes - Pro class racers must be at least 16 years of age or older at time of event.

  • Pro Open (up to 600cc liquid cooled machines) Saturday and Sunday
  • Plus 30 Stock Pro AM (up to 600cc liquid cooled machines) Must be 30 years of age or older at time of event.

Pro Light Classes

  • Pro Light Super Stock 600cc (up to 600cc liquid cooled machines)  Saturday & Sunday

Sport - Must be 14 years of age or older to run Sport classes

  • Sport Stock 600cc (up to 600cc liquid cooled machines) • Weekend class
  • Sport Super Stock 600 (up to 600cc liquid cooled machines) Saturday & Sunday
  • Plus 25 Stock (up to 600cc liquid cooled machines)
  • Plus 35 Stock (up to 600cc liquid cooled machines) (Must have at least 5 entries to run)

Trail

  • Pro Trail - Pro trail will be for factory 600cc race sleds and 800cc trail sleds for the advanced rider.
  • Trail 800cc – Must be 18 years of age or older (up to 800cc liquid cooled machines), a great introductory class for new racers.
  • SnowBike - Must be 18 years of age or older (up to 600cc 4-stroke or 2-stroke, no studs, Follow all ISR general snocross rules)

Women

  • Pro Women Stock (up to 600cc liquid cooled machines)
  • Women Sport Stock 600cc (up to 600cc liquid cooled machines
  • Jr. Novice Girls 9-13 Stock (Limited 500/600cc liquid class) Refer to ISR rulebook, pages 17-18 here  (Must have at least 5 entries to run)

Junior

  • Junior 8-10 (up to 600cc Stock Fan & Detuned Cat SP500-4000RR, Ski-Doo MX).*
  • Transition 8-10 (500/600cc liquid cooled)*
  • Junior Stock 10-13 (up to 600cc Stock Fan & Detuned Cat SP500-4000RR, Ski-Doo MX)*
  • Junior Novice 10-13 (500/600cc liquid cooled)*
  • Junior Sport 12-15 (up to 600cc Stock Fan & Limited built race sleds with Detune Kits 6500 RPM follow 10-13 rules)*
  • Junior 14-15 Stock 600cc (up to 600cc Fan Cooled/(Liquid Cooled machines "Throttle Restricted")*
  • Junior 16-17 Stock 600cc (up to 600cc Fan Cooled/(Liquid Cooled machines "Throttle Restricted")*

*Please refer to ISR Rulebook, pages 17-18 here:

120 (4-10 years of age)***

  • 120 Stock
  • 120 Improved Stock
  • 120 Champ
  • 120 SemiPro 206 ages (6-10)

***Please Refer to ISR Rulebook, pages 19-23 here (http://www.isrracing.org/rules.cfm?alD=10035)
*** Junior racers that are 8 years of age or older may compete in both the 120 division and Junior 8-10 (with the exception of 120 Stock).