2025 DOWNLOAD THE 2025 BROCHURE Heat 1 - Barcelona 4-5 April 2025#BarcelonaHeat Heat 2 - Le Castellet 2-3 May 2025#LeCastelletHeat Heat 3 - 24 Hours of Le Mans 8 June 2025#LeMansHeat Heat 4 - Spa-Francorchamps 22-23 August 2025#SpaHeat Heat 5 - Silverstone 12-13 September 2025#SiverstoneHeat Heat 6 - Portimao 16-17 October 2025#PortimaoHeat