Classes and Competitions

ROCKY MOUNTAIN VINTAGE MOTOCROSS CLUB

The race classes are listed below. Classes may be subdivided by skill level, displacement, or age.

For example, if you have a 1972 Yamaha MX250, are of an intermediate ability level, and are over 50 years old (but less than 60) your sign up classes could be:

Vintage 250, Intermediate and race against other pre-1975 250's, with riders of any age

and/or

Vintage Age Group, +50, Intermediate and race against other pre-1975 bikes of any displacement, with riders who are +50

Note: You may race down an age bracket but not up. You may race up a displacement bracket but not down.

2025 RMVMC Classes and Competitions

A) Classic Stock

Bikes 1971 and earlier.

2 or 4 stroke, Minimum 125cc, maximum 650cc. Travel limits, front 7", rear 4". Minimum wheel size 19" front, 17" rear.

(Novice - C, Intermediate - B, Expert - A)

B) Vintage

Bikes pre-1975 by Displacement.

Up to 74 (& like design). Era correct travel limits. Max travel, front 7", rear 4". No modifications allowed that exceed the OEM travel for a bike.

125, 250, Open

(Novice - C, Intermediate - B, Expert - A)

C) Vintage Age Group

Bikes pre-1975 by rider age, Era correct travel limits per above.

Age Groups: under 40, +40, +50, +60, +70

(Novice - C, Intermediate - B, Expert - A)

D) GP 1

Bikes 1975-1977 Maximum travel 9 inches front and rear, no disc brakes.

All displacements.

(Novice - C, Intermediate - B, Expert - A)

E) GP 2-3

Bikes 1978-1981 & 1982-1984 by displacement, no disc brakes.

125, 250, Open

(Novice - C, Intermediate - B, Expert - A)

F) GP 4-Stroke

Any air-cooled 4-Stroke powered machine. Drum brakes only, no disc brakes. By displacement.

250, Open

(Novice - C, Intermediate - B, Expert - A)

G) GP Age Group

Bikes 1975-1984 by rider age, no disc brakes.

Age Groups: under 40, +40, +50, +60, +70

(Novice - C, Intermediate - B, Expert - A)

H) D1

Bikes with front disc and rear drum brake from the manufacturer by displacement.

125, 250, Open

(Novice - C, Intermediate - B, Expert - A)

I) D2

Bikes with front and rear disc brakes; 2 & 4 Strokes by date and displacement.

•125-125cc two-strokes up to 2004 (& like design) , air-cooled four-strokes up to 250cc

(Novice - C, Intermediate - B, Expert - A)

•250-250cc two-strokes up to 2004 (& like design), four-strokes up to 400cc up to 2000 model year

(Novice - C, Intermediate - B, Expert - A)

•Open- Open two-strokes up to 2004, open four-stroke up to 2000 model year

(Novice - C, Intermediate - B, Expert - A)

J) D1-D2 Age Group

Bikes circa 1986-2004 by rider age, front or front and rear disc brakes.

Age Groups: under 40, +40, +50, +60, +70

(Novice - C, Intermediate - B, Expert - A)

K) Modern

Bikes 2001 to current model year by displacement.

250 (& 150 cc 2-Stroke), Open (& 300 cc 2-Stroke)

(Novice - C, Intermediate - B, Expert - A)

L) Modern Age Group

Bikes 2001 to current model year by rider age.

Age Groups: under 40, +40, +50, +60, +70

(Novice - C, Intermediate - B, Expert - A)

M) 100cc Shoot Out

Any 100cc bike. Up to GP era (and like design) 100cc two-stroke and air cooled 4-stroke up

to 200 cc. Minimum wheel size 19" front, 16" rear, drum brakes.

(Novice - C, Intermediate - B, Expert - A)

No age group/year classes. In order for this class to run in its own moto, a minimum number of 10 riders will be required.

N) Enduro

This class is open to any era Enduro bike - from the factory with lights.

Minimum wheel size 19" front, 16" rear.

This is an entry class - there are no ability, displacement, or age group classes.

O) Women

Any bike size or era, female rider.

This is an entry class - no displacement, or age group classes.

(Novice - C, Intermediate - B, Expert - A)

This class will run in its own MOTO

P) Youth Classes

By bike size and age, see guidelines below.

P-1) Youth 50: 50cc 2-stroke AND 90cc 4-stroke (AGE 4 to 8 yrs) MINI-TRACK ONLY WHERE AVAILABLE.

P-2) Youth 65: 65cc 2-stroke AND 110cc 4-stroke (Age 7-11 yrs) (Nov, Int, Exp)

P-3) Youth 85: 85cc 2-stroke and 150cc 4-stroke (Age 9-15 yrs) (Nov, Int, Exp)

P-4) Youth Super-mini: 115cc 2-stroke and 150cc 4-stroke (Age 12-15 yrs) (Nov, Int, Exp)

P-5) Youth Open: 125 cc 2- stroke and 250 cc 4-stroke (Age 14-17 yrs) (Nov, Int, Exp)

RMVMC General Ability Level Descriptions

Expert - Experienced racer. Previous Expert status, or used to be really fast. Very good to excellent track skills.

Intermediate - More experienced racer. If you have been racing modern bikes or vintage bikes with another club you should at least be intermediate.

Novice - Has riding experience, new to very limited racing experience.

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