Radical Sportscars unique one-Brand racing concept is increasingly popular world-wide. Racing a range of Radical high performance sports cars, supported by factory-trained engineers with full spares back-up, ensures close and reliable racing throughout the field. With driver training programmes and top quality hospitality, Radical one-brand racing is suitable for fun-loving novices up to would-be Le Mans professionals.

In Europe the Radical European Masters endurance series is set for capacity grids in 2009. With classes for the SR8LM, SR8 Supersport, SR5 Endurosport, and both 1500 and 1300 SR3 Supersports. This one- or two-driver series supports the Le Mans Series at Catalunya, Spa Francorchamps, Nürburgring, Silverstone, Donington and Parkalgar.

In the UK, the Radical Clubmans Cup caters for sprint racers by providing six events which include 20 minute double-header races for all superbike-powered Radicals. The Radical UK Cup is an eight round endurance championship which welcomes all Radical models and single- or two-driver teams. Events vary between a 50 minute double-header format and a 75 minute enduro. Both UK series run with the Dunlop ‘Great & British’ motorsport festival package and are televised on Sky Sports and Radicals instant access web TV.

Another European Radical one-brand series is run in Sweden. The Radical Swedish Cup is for superbike-powered Radicals, while the Radical Nevada Cup is open to all Radical drivers wishing to race or trackday in southern Spain and Portugal during the winter months.

Both coasts of the United States boast healthy Radical one-brand series with the Radical Challenge West catering for a wide range of Radicals in Nevada and California and likewise the Radical Challenge East attracts Radical racers from Florida and Georgia.

In the Middle East the Radical Gulf Cup has been prospering for the last three years in Dubai and Bahrain. They have been joined this year, in the Kingdom of Saudi Arabia, by a Radical one-brand series based at the Reem International Circuit in Riyadh. 

Radical's Hong Kong-based distributor has organised the Radical China Cup for Radical SR3 Supersports to be run out of the Zhuhai International Circuit and a ten-round Radical series is planned to run this year at the Hermanos Rodriguez Autodromo in Mexico City.

Even further afield, Radical Australia have built up a considerable customer base in their first year and have recently launched the Radical Australia Cup.