Race on the Rock 2022
Rules & Regulations



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2022 ROTR Uphill Drags Rules & Regulations


Snocross Rules, Regulations & Classes

Western Sno-Riders – Race on the Rock Rules & Regulations SNOCROSS

Revision Date: March 13, 2020

General Notes & Rules:

  1. There are some updates to the Rules & Regulations for 2022.

  2. All class entries will not discriminate based on sex. Any qualified member may participate in the approved classes offered in any sanctioned event.

  3. Studded tracks will NOT be permitted in any classes for the Snocross event, this is the same rule that applies to uphill drag racing.

  4. High octane/race fuel is permitted in all improved trail stock and open modification classes.

  5. Racers must be a minimum age of 16 years old (as of race date) to participate in the event including entrance into the pit areas. All racers under the age of 18 years of age have parental/guardian consent and signature on race day.


  7. Under NO circumstances are drugs or alcohol allowed in the race paddock, staging or pit area Anyone (Racers/Pit crew) suspected of consuming or caught with alcohol or drugs in these areas will be automatically disqualified from the event.

  8. Racers are allowed 2 each pit crew members. The racer is responsible for the crew members. WSR kindly asks that all pit crew stay in their own racing pit until staging for their respective racer.

  9. All racers & pit crew MUST attend the race briefing meeting the morning before the races. Tentative schedule for the race day will be posted in advance to give each team ample time to prepare for the race. Descriptions of the course, flags etc. will be discussed.

Registration & Race Entry Regulations

All Racers/Teams to Note:

  1. Please review all snowmobile general requirements before pre-registering to ensure eligibility for class choices.

  2. All entry fees must be paid in full and all waivers signed before driver can practice or race.

  3. Any class(s) can be eliminated after registration has closed if there is less then three (3) official entries.

  4. Entry fees will be regulated on event basis. For 2022 Races:

    • $100.00 General Registration Fee – Per Sled **See Note 8**

    • $30.00 Class Entry Fee; Charged Per Class

    • Included in general registration – (1) One Pit Crew Member, additional crew member (If required by racer) at cost of $20.00

    • WSR SNO-X Shootout - $50.00 class entry fee.

  5. Prize Purses:

    • Sport & Trail Classes – Trophies/Plaques only for P1, P2, P3 Finishes

    • Women, Masters, Amateur & Pro-Am Classes – Prize Payout & Trophy:

      • 50% Class Entry Payout

      • 30% Class Entry Payout

      • 20% Class Entry Payout

    • WSR SNO-X- Shootout - 100% Class Payout

  6. Racers who do not pre-register online or before the day of the event will be assessed a late registration fee of $25.00.

  7. During registration at race headquarters, racer and all pit crew members MUST sign all waivers before entering the race/pit areas.

  8. If the race is cancelled on the day of the event, $50.00 of the general registration fees will not be refunded due to insurance costs. Therefore the $50.00 remainder, and all class entry fees will be refunded to the racer.

  9. Each racer is eligible to register for a maximum of (3) classes where the sled/racer qualifications allow. Please review all class rules prior to registration to ensure racer eligibility into the class.

  10. All event participants must be fully familiar and compliant with the rules and regulations. In the event that at class has under 10 registrants; the race will be ran in 2 heats, and rider finishing position will be the number of points scored for each heat (1st Place = 1 pt.; 2nd Place = 2 pt., Etc.) The rider with the lowest combined amount of points after both heats are completed will declared the winner of the class. In the event of a tie for P1, P2 & P3. the two tied riders will compete in a head-to-head single lap race with the winner of that race being declared the winner. All classes with over 10 racers will be ran in heat races with the top-4 advancing to the final, while the rest go to a last chance qualifier (LCQ). The top two from the LCQ heat will move onto the final heat with 10 racers making the main event.

Racer Identification & Protective Equipment Regulations

Racer Identification:

All racers will be required to bear an identification number on their upper body garment via custom printing (at racers expense), or WSR will provide a bib with a number provided.

If the racer has a custom printed number/name on their upper body garment, this must be entered during the registration stage of the event.

In the event, that there are two racers registered with the same identification number, the racer who was registered first will be granted use of the number. The other racer will then be given the option to; A) wear a WSR provided bib; or B) Add another digit to their number. (Example, Racers A & B register with the same identification number of 3. Racer B completed the online registration before Racer A, therefore the identification number of 3 will be worn by Racer B. Racer A can then add a number {23 or 32, etc.} that doesn’t conflict with other racers.)

Protective Equipment:

It is the racers responsibility to ensure proper protection equipment is onsite, in good condition and worn during the race event. Any racer may also wear more than the minimum requirements at their discretion.

At a minimum, WSR requires:

  • DOT/SNELL Approved Helmet Suitable for Snowmobile Racing

  • Proper eyewear protection; in the form of goggles, or visor. Eyeglasses/Sunglasses are not allowed to be uncovered and must be worn under goggles or visor.

  • Chest Protection in the form of a Tek-Vest (Non-Brand Specific) or a Motocross Chest Protector will also be accepted. Please present the protector to Tech Inspection for review.

  • Gloves

  • Above Ankle Height Boots

Some other items to :

  • Knee Braces

  • Neck Braces

  • Mouth Guard

  • Hearing Protection

  • Arm Protection


Pit/Paddock & Staging Area:

  1. All racers must observe and maintain SLOW speeds when traveling from racers pit to staging, vise versa. All pit/staging areas are caution zones where driver/pit crew awareness is required. Any racer/pit crew member driving fast or recklessly in these areas will be disqualified from the event.

  2. Hot Pit & Staging (Start Line) areas are limited to the racer and one (1) pit crew member. As referenced in the general notes and rules; Note #5, all pit crew members must be a minimum age of 16 years old.

  3. Misuse of pit or paddock passes will be grounds for discipline.

  4. No animals will be allowed in the Pit/Paddock or Staging Areas.

Testing, Tune-Up, Warm-Up & Practice

  1. Testing of the track shape and features will be completed by race officials or elected race affiliates at the discretion of the race control.

  2. Testing of the racers snowmobile will be completed during practice laps. During the timed practice, racers may if they wish, enter/exit the pits to tune their sleds if there is time left for their practice session to do so.

  3. Testing/Warm-Up of the engine must be done in a controlled manner using a safety stand or jack stand in each racers pit stall. Under NO circumstances are pit crew members allowed to lift the rear of the machine to spin the track; safety stand/jack stand MUST be used.

On-Track Infractions:

If the Race Director or Chief determines the racer or associated pit crew have an infraction; said official will make the appropriate decision considering the severity of the offense.

The director/chief may:

  • Verbally warn the racer or team.

  • Disqualify the racer/team from the event.

  • Suspend the racer/team for the remainder of the season.

If a racer has a concern or would like to contest the ruling of a director/chief or the result of a heat, only the racer (No Pit Crew) must approach the race director/chief in between race heats; not while the race under green flag (Hot Laps). This will give time to determine the next course of action required to rectify or solve any concerns or contests.

Blocking & Imprudent Racing Acts:

  1. The deliberate blocking of a faster racer/snowmobile during race or practice heats is extremely dangerous and will result in immediate disqualification.

  2. Cutting of lanes is cause for penalty or disqualification at the discretion of the Race Director/Chief.

  3. Any dangerous or imprudent driving, chopping, deliberate collision, cross jumping or unsportsmanlike conduct on the course, in the pit/paddock or anywhere on race grounds will result in immediate disqualification.

  4. All racers must adhere to the direction of race traffic at all times. It is strictly forbidden to push/operate a snowmobile against the direction of race traffic. Anyone doing so will be immediately disqualified from the event. (Note: A driver who has spun out or un-intentionally gets turned against race traffic is permitted to correct themselves to continue with their heat once the track is clear and safe to do so.)

Staging and Hot Lap Rules:

  1. All racers be aware of the race schedule and which heats they are to race. Any racers that leave the pits must do so efficiently to not affect hot laps.

  2. Once the racers are called to the line, race officials will ensure their snowmobiles are properly staged for starting. One crew member may come to the line from the pits, however once staged they must move to the side of the track to prepare for starting.

  3. Race officials will confirm with each racer of the heat to ensure they are ready for the lights. There will be no allowance of extra time for warming up engines or using stutter buttons. Once the line is set, racers must be prepared for green flag at any moment.

  4. In the event that a racer false/jump starts before the green, the racer will be penalized by the Race Starter, Director or Flagman. This will result in a race restart procedure being implemented.

Race Restart Procedure:

  1. The race director may call for a restart at his discretion. Race Directors decision is final.

  2. In the event that a race requires a restart due to a false start and/or on-track incident or collision involving (1) one or more snowmobiles, the race will come under immediate red flag and all snowmobiles must stop in their position.

    • the Race Director may request a review of the snowmobile(s) involved prior to allowing the racer back into the heat/event. If the snowmobile is damaged or poses a safety risk for the racer or other racers on the track, the snowmobile will be removed from competition until repaired and approved for racing again by tech inspection. (Note, racers/pit crew are allowed to work on their snowmobile once taken out of competition by the race officials.)

  3. Once the track has been deemed safe by race officials, flagmen will notify racers to move slowly under caution back to the start line.

  4. If only one (1) lap, or less, has been completed by the lead snowmobile at time of race stoppage, all racers will:

    • be re-grouped to the start line. The snowmobile causing the stop of the race to restart on the back row.

  5. If more then one (1) lap has been completed by the lead snowmobile at time of race stoppage, all racers will:

    • be re-grouped back to the start line. Stagger start in order that each racer has crossed the finish line of the previous lap. The racer that caused the stop in the race will start in last place.

Track Obstruction/Collisions:

  1. In the event that an on-track collision or incident happens during hot laps, it is the first duty to remove their snowmobile from the track unless they are injured.

  2. When required, the race official may allow one (1) crew member to aid the racer in the event that the snowmobile cannot start or properly be removed from the racetrack.He may assist the racer by pulling the recoil device/pullcord, controlling throttle, applying choke or alternate fuel delivery bottle, removing the hood or securing body panels, checking tether switch and handing personal safety equipment to the racer. The crew member is allowed to continue the race in place of the registered racer.

  3. A driver who has stalled or spun off the track must raise both hands over their head to notify race officials & flagmen that there is no injury. The racer is then allowed to proceed with the race once the field of racers has passed.

Damaged Snowmobile or Catastrophic Part Failure Policies:

In the event, that a racer’s snowmobile becomes immobile due to crash or part failure; the racer may repair with proper working parts to re-enter their sled in the race heat. Before they are able to re-enter the race, tech inspection must be made to ensure racer safety and ensure compliance with all modification rules.  NOTE: Modifications or Part substitution CANNOT be done unless required to re-enter the race. Anyone modifying parts after their snowmobile has passed tech inspection will be immediately disqualified from racing.

In the event that a racer’s snowmobile becomes immobile due to catastrophic part/engine failure and cannot be entered back into the race; A racer may choose to substitute a second snowmobile if available to them to continue racing pending approval from Race Director/Chief. Snowmobile substitution is subject to restrictions listed below.  

Restrictions to Snowmobile Substitution:

  1. Once the racer determines that his/her snowmobile can no longer enter the race. He/She must immediately engage a race official to advise them of the situation.

  2. A quick tech inspection of the damaged sled will deem if it is in fact immobile and unable to continue in the race. If the tech inspector feels that the part failure can be repaired, the racer must make all efforts to properly repair the sled to continue it in the race.

  3. If the sled cannot be repaired, and tech inspection deems that it is not safe or cannot be raced further; the snowmobile will then be removed from the race and is no longer eligible to leave the racer’s pit area.

  4. The racer is then eligible to race a substituted snowmobile to continue racing. The racer must present the substituted snowmobile to the tech inspector to ensure it meets all entry requirements for sled modification restrictions for class entry.

  5. A snowmobile that is damaged or becomes immobile during a final heat of a race class cannot be substituted during the race.

Flag Rules:

All flag meanings will be reviewed during the race briefing meeting the morning before the event.

Any racer who does not obey the rules of the flags will be subject to disqualification.

Yellow Flag: A yellow flag indicated an accident or collision which may include a track obstruction. Once the yellow flag has been waved by the flagman, all racers MUST:

  1. Slow down and observe caution in the portion of the yellow flag zone.

  2. No passing is allowed until outside of a yellow flag zone.

Red Flag: The red flag means that the race will IMMEDIATELY stop regardless of position of snowmobiles on the track. The red flag will be used when, in the opinion of the Race Director/Chief; the track is unsafe to continue the race. Once the race has been stopped, at the direction of the Race Director/Chief; all racers must slowly proceed with caution back to the start/staging area. Racers must remain on their machines until further direction from the Race Officials.

Black Flag: Should a vital snowmobile component such as clutch guards, hoods, snow-flap, skis or tether become dislodged or discarded, the starter will display the black flag to said racer. The racer must then stop racing IMMEDIATELY and report to the start/staging area. If the racer does not obey the black flag, that could result in disqualification.

White Flag: When displayed, the racers have started their last lap of racing.

Checkered Flag: When displayed, the race is complete.

Note: Typically, the start of the race is when the green flag is displayed. For ROTR and WSR hosted races, WSR has implemented a light tree with a green light. Once the light has become full bright green, the race has started.


All snowmobiles entered into the race are subject to passing a tech inspection prior to admittance into race pits/paddock area.

Track Length Restrictions: All sleds MUST be 146 inch and smaller. Nothing larger than 146 inch is allowed to race.

All snowmobiles are required to have the following (NO EXCEPTIONS):

  1. Fully functional tether switch. (Will be tested during Tech Inspection)

  2. Fully functioning taillight. (Will be tested during Tech Inspection)

  3. No studded tracks. (If a racer arrives on race day with a studded track, it is acceptable to remove them and re-inspect.)

  4. No track width trimming or modifications to track webbing. Lug Height can be altered at racers discretion.

  5. Full Length; Solid Snow-flap

Flap Notes:

  • Aftermarket snow-flaps are allowed; however, they be solid material with no perforations and a minimum length so that the flap touches the snow with racer on the sled. (Example: BRP 440X Rev Flap = 25 Inches Total Length; 19 Inches Wide at the Base)

  • For Trail Class ONLY: All OEM snow-flaps excluding perforated snow-flaps are allowed. {Polaris RMK/SKS Snow-flap & Skidoo Summit Snow-Flap are not permitted unless perforations are filled with rubber/plastic.} Aftermarket snow-flaps are allowed; however, they must be solid material with no perforations and a minimum length of 16 inches measured from the tip of the flap to the lower portion of the snowmobiles tunnel.)

Improved Trail Stock Modifications:

 Acceptable Items to Change:

  • All Trail Stock Modifications:

    • Gearing

    • Clutching (Ramps, Weights, Pins, Springs, and Cams)

    • Jetting

    • Track (Must be less than 146 inches.)

    • Full Length Ski (Aftermarket skis allowed but must be minimum of 40 inches long)

    • Handlebars (675mm minimum with grips)

    • Windsheilds

    • CDI Boxes Must Remain OEM

  • Reeds

  • Exhaust Pipes (Aftermarket exhaust systems permitted but MUST maintain OEM layout.        Exhaust system MUST exit from body in OEM location. Example: If; OEM layout consists of Y-Pipe, into one main pipe, into one silencer, into one exhaust out from body; racers MUST maintain those characteristics.)

  • Air Box or Air Filters

  • Advance Timing

  • Track Drivers (No billet aftermarket)

  • Oversize Rear Idler Wheel Kits (NO modifications to OEM chassis or suspension)

  • OEM Carburetor/Throttle Body (Can be Bored)

  • Carburetors Boots

  • Adjustable Fuel Controller for Fuel Injected Models (CANNOT be accessible to driver during race)

  • CDI Boxes Must Remain OEM

  • Gauges

  • Rail Extensions

  • Headlights may be removed for weight saving subject to the following restrictions:

    • OEM Housing must remain.

    • Any openings where headlights removed must be covered with material to prevent any entry of foreign objects.

  • Taillights may be aftermarket and not in OEM location, However they MUST be fully functional. (Example: OEM location may have large plastic housing at end of tunnel. This may be removed, and new taillight installed in seat housing if racer wishes.)

Important items to keep in mind NOT to touch:

  • OEM Stroke

  • OEM Crankshaft

  • OEM Chassis (MUST have exhaust exiting stock outlet location)

  • OEM Engine (MUST match OEM Chassis)

  • Aftermarket Heads

  • Port & Polish

  • No aftermarket or custom-built fuel tanks/cells.

  • Twin Pipes are not permitted.

  • Headlight Housing Must remain OEM.

  • Snow Flap subject to snowmobile regulations above.

  • Functional Tether Switch (Will be tested during tech inspection)

  • Functional Taillight (Will be tested during tech inspection)


General Notes:

  • Race results from each previous season/event will be used to determine eligibility of some class entries.

  • First time racers at the ROTR event are eligible to race the Pro-Am class unless they can provide race results from other previous races. Appeals can be sent to wsrrotr@gmail.com.

  • First year racers enter either the Sport Class, the Trail Stock/Trail Stock Transition Class

  • Racers registered in the Pro-Am class or previous open class winners cannot enter into the Sport Class.

  • Reminder – All racers are allowed to enter into a maximum of three (3) classes per event, where eligible. Racers are permitted to enter both Sport & Trail Classes, if they meet the class entry requirements.

Trail Stock Class

  1. This is an introductory Snocross racing class. Intent of this class is to entice new racers into the sport by accommodating older trail sleds.

  2. First time racers enter this class OR the Sport Class.

  3. All snowmobiles entering in this class must meet the improved trail stock class requirements.

  4. NO race fuel permitted.

  5. OEM SOLID SNOW-FLAPS are allowed for this class only; no perforated OEM flaps allowed.

  6. NO open mods or twin pipes are permitted.

  7. Minimum of 3 class entries required to run race heats.

Women’s Class

  1. For female-riders ONLY.

  2. Racers must be 16 years of age and older.

  3. There are no snowmobile restrictions for this class but must meet general requirements for race entry.

Sport Class

  1. This is an entry skill level, less experienced based class.

  2. First time racers enter this class OR trail stock classes

  3. All snowmobiles entering in this class must meet the improved trail stock requirements.

  4. NO open mods or twin pipes are permitted.

Sport Class Entry Restrictions:

  • 2019/2020 Sport Class winners from season/ROTR events are now automatically advanced to the Pro-Am Class and are no longer eligible to enter into the Sport Class.

  • First year Sport Class racers are ineligible to race the Pro-Am Class without approval via appeal process.

  • Pro-Am racers are NOT eligible to enter into the sport class.

Amateur Class

  1. This is an age/experience-based class; racers between the ages of 16 to 39 are eligible to compete in this class. (Note: Racers age cut-off is determined based on the date of the event.)

  2. All snowmobiles entering in this class must meet the improved trail stock requirements.

  3. NO open mods or twin pipes are permitted.

Masters Class (+40)

  1. This is an age-based class; racers of age 40 & over are eligible to compete in this class. (Note: Racers age cut-off is determined based on the date of the event.)

  2. There are no snowmobile restrictions for this class but must meet general requirements for race entry

Pro-Am Class

  1. Previously labelled – The Open Class

  2. This is a skill/experience-based class for the higher skilled/experienced racer.

  3. All racers must be a minimum age of 16 years old.

  4. There are no snowmobile modification restrictions for this class but must meet general requirements for race entry.

Pro-Am Entry Restrictions:

First year racers are ineligible to race the Pro-Am Class without approval via appeal process, see note b) under this section’s general notes.


  1. Round robin style - 2 lap race heat with 2 racers battling to advance to the next round in each heat.

  2. $50-dollar class entry buy-in; winner takes all prize purse!

  3. Race entry requirements follow Pro-Am class. (However, if you are not racing the Pro-AM class; you can race the sport class and compete in the shootout.)