Harrow
Trail Running Calendar near Harrow 2026-2027
Explore the top trail runs near Harrow for 2026-2027! We've gathered 222 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2027
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.
December 2027
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.