The 2026 British GT Championship marks its 34rd season, showcasing a competitive mix of GT3 and GT4 machinery across premier UK circuits and an international round in Belgium. The season commenced on April 5 at Donington Park and will conclude on October 5 at the same venue.  The 2025 season introduces a GT4 Endurance Cup, comprising four rounds: both Donington Park events, Silverstone, and Spa-Francorchamps. This initiative aims to provide GT4 teams with longer race formats and strategic depth. The 2025 season features a diverse grid with entries in both GT3 and GT4 categories.