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
-
Teenager jailed for train station rape
He also sexually assaulted a girl on a train
-
Anger over planned Plymouth road closure
Traffic would be diverted to congested Deep Lane Junction
-
Cyclist in serious condition following hit and run
Bovey Tracey road closed for several hours
-
Paignton shopping centre to become car park
'It has the potential for a catalytic regeneration development'
-
Devonport dockyard is out of 'special measures'
Safety improves after 12 years of 'enhanced attention'
