Anyone who had applied to take part won't get a refund after the company went into liquidation.
The event had due to be take place in March at Escot Park near Honiton.
A statement on the company's website blames falling sales.
Exeter's Rocksolid Race cancelled
More from Local News
-
Torquay big wheel will 'lift the spirits' for years to come
Planners unanimous despite heritage harm concerns
-
Investigations underway following fire in Devon village
Crews were called to Burlescombe
-
10,000 new homes could come to Plymouth
Government officials attend cabinet meeting
-
Decision soon on Torquay town centre redevelopment
More than 100 new homes will be built
-
Flights between Exeter and Amsterdam underway again
Daily flights to Netherlands after five years
-
Man kicked unconscious in Plymouth
Two teenagers arrested
