You have 60 minutes to go from the Start to the Finish via as many controls as you can. Gain 20 points per control. Lose 10 points per minute - or part minute over 60
All Devon's MapRun courses can be found on the app by tapping 'Select Event > 'UK' > 'Devon.
General safety guidance for individual mapruns: Maprun
Click the image for a larger version.