Class 1 is defined as an unlimited four-wheel single and two-seat vehicles.
Since it is an open-class, all components are considered open unless restricted by SCORE International.
Numbers 100-109 is reserved for the prior years driver standings for positions 1-10 respectively.
Class 1 vehicles are most often two-wheel drive, and most feature a 4130 chromoly tube-frame chassis covered by a composite body with an aluminium interior containing either a single or two seats.
The Class 1 features a 125" wheelbase with 37" tires on 17" lightweight wheels allowing 22" of wheel travel, with a dry weight of 3500 pounds and 60 gallon fuel cell.