Supercup Dates Silverstone (National) 31st Mar – 1st Apr 2018 3 Races Knockhill 12th – 13th May 2018 3 Races Brands Hatch (Indy) 2nd – 3rd Jun 2018 3 Races Rockingham (International Long) 23rd – 24th Jun 2018 2 Races Rockingham (International) 24th Jun 2018 3 Races Castle Combe 14th – 15th Jul 2018 3 Races Oulton Park (International) 4th Aug 2018 3 Races Croft 8th – 9th Sep 2018 3 Races Donington Park (National) 13th – 14th Oct 2018 3 Races