Weir Wood Reservoir
Trail Running Calendar near Weir Wood Reservoir 2026-2027
Explore the top trail runs near Weir Wood Reservoir for 2026-2027! We've gathered 214 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2027
A single loop 100 mile trail race through the South Downs National Park from Plumpton Racecourse with over 12,000 ft elevation, 12 aid stations and a 34 hour cutoff.
October 2027
Riverside out and back running event in Barnes along the Thames Path offering 10 km, half marathon and marathon distances with marshals and medical support.
A guided 30-mile trail run from St Martha's Hill along the North Downs Way to Box Hill, offering group pacing, coaching, and route support for first-time ultra runners.
Trail races of 10 km and a half marathon through Bedgebury National Pinetum and Forest with bespoke finisher medals and prizes.
A multi-distance trail running weekend at Beachy Head with marathon, half, 10k and ultra options, scenic coastal views and widely praised marshals and aid stations.
A 5 mile night trail in Litlington with Halloween fancy dress, GPX navigation and a tail runner, featuring a themed finisher medal and a post run dessert prize.
November 2027
Trail half marathon and 10K at Wimbledon Common on 21 November 2027 with chip timing, free race photos and post race goodies.
Trail run from Plumpton Racecourse across the South Downs with three distances, scenic climbs, on-course water stations, chip timing, and a finisher medal.
December 2027
Guided trail run at Box Hill covering 12.5 miles with about 1000 m of ascent across woodland and technical climbs, led at a steady group pace by an experienced guide.
A fully signed 50k trail ultra in the Surrey Hills from Dorking Sports Centre on 5 December 2027, with checkpoints, SportIdent timing and a 10 hour limit.
July 2028
A fully supported 200 mile continuous trail across the South Downs National Park with a marked route, 16 aid stations, live GPS tracking and a 100 hour cutoff.