Official competition guide · Revised May 28, 2026
“One and done.” The first car to legally contact the finish line wins. If neither racer finishes, the car traveling furthest wins unless a lane or class infraction decides the race.
1/10 scale
3S battery limit
Cars supplied by Horizon Hobby and RC Sand Sharks
Children 10 and under
1/10 scale vehicles only
3S battery limit
Factory hop-ups allowed when intended for that model
Stock electronics and body required
Maximum tire diameter: 130mm
No chassis modifications or kit cars
1/10 scale
3S battery limit
No modified chassis except a stretched chassis up to a 13.5-inch wheelbase
1/10 scale 2WD vehicles only
3S battery limit
Minimum 16-inch wheelbase
1/10 scale 4WD vehicles only
3S battery limit
Maximum 13.5-inch wheelbase
1/8, 1/7, 1/6, or 1/5 scale only
6S battery limit
1/6 or 1/5 scale only
8S and higher
Anything goes
Vehicle must pass safety inspection
All rules are subject to change at the discretion of the Race Master.