The 2025 GB3 Championship is a scheduled motor racing championship for open wheel, formula racing cars held across Europe. The 2025 season is the tenth organised by the British Racing Drivers' Club in the United Kingdom, and the fifth season under the GB3 moniker after rebranding from the BRDC British Formula 3 Championship in mid-2021. The championship will feature a mix of professional motor racing teams and privately funded drivers. The season is scheduled to be run over eight triple-header rounds, starting in April and ending in October.[1]