There are many different types of racing categories in the UK, including Formula One, touring cars, GT racing, rallycross, and karting. Formula One is the most prestigious and high-profile category, while touring cars and GT racing are popular for their close competition. Rallycross involves racing on mixed surfaces, such as asphalt and dirt, while karting is a good entry-level option for those just starting out. There are also categories for vintage and historic cars, as well as special events and one-off races.