The Xodus Ythan Challenge takes place on Sunday (June 17) at the Meadows Sports Centre in Ellon.
A total of 500 participants are taking part in the North-east’s most-popular adventure race, which begins at 11am.
The 11.5km course sees runners start and finish at the Meadows Sports Centre, with the route including adventure obstacles at the Esslemont Estate.
From last year’s event a total of £2,800 was split between 13 North-east groups who were involved in the successful running of the race. It took place in heavy rain for the first time, previous events had been blessed with sunshine.