All post-1996 GT sports cars are eligible with emphasis firmly on gentleman drivers.
Races are typically 40-50 minutes long featuring a mandatory pit-stop with an option for one or two drivers.
The GT Challenge, Aston Martin GT4 Challenge and Intermarque grids will run as a combined grid for the 2021 race season.
Additionally for 2021, tyres are now open to ALL makes.
Three categories are for: FiA GT4; GT3 and Open GT.
Regulations, Registration and Entry Forms can be downloaded below: