2026 GB4 calendar to feature two-day "Winter Series" competition
A two-day competition in October will allow GB4 teams to test multiple drivers across four races.
LONDON, United Kingdom – The GB4 championship will maintain a cost-effective seven-round championship around the United Kingdom in 2026, adding a two-day "Winter Series" competition.
The Winter Series will take place at Snetterton, with a qualifying session and two races to be run on each day of the event. Each day will run with a different entry list, allowing teams to trial multiple drivers across the event for the following season.
2026 GB4 Championship
25/26 April – Silverstone GP
23 & 25 May – Oulton Park
27/28 June – Donington Park
1/2 August – Silverstone GP
15/16 August – Snetterton
5/6 September – Donington Park
26/27 September – Brands Hatch GP
2026 GB4 Winter Series
24/25 October – Snetterton 300
