Celtic Speed : Partners

Partners 

Group C Racing and Peter Auto organise the Group C Championship, a series of 5 races taking place across Europe (including the Le Mans Classic) for the iconic Group C cars.

http://www.groupcracing.com

Masters Historic Racing organises a number of Historic Championship and Celtic Speed run in the F1 Championship and Endurance Legends Series. 

 www.mastershistoricracing.com