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 188 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
March 2027
A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.
Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.
April 2027
Two-day running festival in Brighton and Hove with up to 20,000 participants across the Brighton Miles, the Brighton and Hove 10K and the Brighton Marathon.
A single loop 50 km trail race from Arundel through the South Downs with about 3,200 ft ascent, four aid stations, UTMB Index status and 2 ITRA points.
Trail races at Stanmer Park, Brighton on South Downs Way terrain with 5 km, 13 km and 21 km options, marked courses and fuel outposts.
A 42.2 km trail-to-road marathon from Stanmer Park across the South Downs, including Ditchling Beacon and a final 6 km into the Brighton Marathon finish on Hove Lawns.
A timed Friday run on a flat 5.3 km Thames towpath lap with flexible starts; the £10 charity entry supports Rays of Sunshine and all finishers receive a medal.
Single entry covering four Centurion Running 50 mile races across 2027, from April to November, with a £480 entry fee and minimum age 20.
Timed laps at Tilgate Park on 24 April 2027 offering distances from 5 km to ultra with medal and no medal entry options.
An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.
May 2027
An entry package for four 100 mile Centurion Running races in 2027, spanning May through October across Thames Path, South Downs Way, North Downs Way and Autumn 100.
A 100 mile point to point trail race along the Thames Path from Richmond to Oxford with marked course, aid stations, medical support and a 30 hour cut off.
Three towns host races across a Bank Holiday weekend in 2027, with combined results forming the Mid Sussex Marathon. Distances include 10 mile, 10k, a chip timed mile and a family fun run, plus virtual and combo marathon options.
A guided 30 mile trail run from Newlands Corner along the Greensand Way with coaching, varied single track and climbs including Leith Hill, plus an alcohol free beer at the end.
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.