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 185 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
Trail races around Box Hill in the Surrey Hills offering three distances, steep climbs, aid stations and chip timing from a base at Box Hill National Trust.
A military inspired obstacle mud run at Hever Castle on 10 October 2026 offering 3K, 6K and 12K courses, junior options, and an event village with spectator attractions.
Trail running in Hurtwood Forest near Guildford with 15 km and 21 km routes, on-site facilities, water stations and medals for all.
The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.
A lap-based out and back run along the Thames in Walton on Thames offering distances from a single 5.3 km lap up to ultra distances with a seven hour limit.
A lap based Friday timed run on a flat 5.3 km out and back course along the river Thames, with distances from 5 km up to ultra. Both attended and virtual entrants receive a finisher medal.
Annual 25 km and 50 km routed challenge across Kent, Surrey and Sussex with checkpointed support, food included and GPX route files provided.
Forest trail races at Bedgebury National Pinetum in October offering a half marathon, a 10K and a junior race with route maps, photos and limited free parking.
A 10 km trail run through the private grounds of Hole Park, a historic estate near Cranbrook, Kent, on 18 October 2026. Entry is priced at £25 and the event includes timed results, finisher medals and official race photography.
Timed multi-lap running at Buchan Country Park in Crawley with lap based distances from 5 km up to ultra, flexible start times and a seven hour time limit. Medal and lower cost no medal entry options are offered.
An approximately 8 km trail loop around Herstmonceux with over 70% trail, marked and marshalled, limited to 60 runners and featuring post-race tea and cake.
Beachy Head Marathon Weekend runs multiple trail distances from a 10k to an ultra near Bede's Prep School in BN20 7XL on 24/10/2026. Runners comment on clear signage, friendly marshals, stocked aid stations and hilly coastal terrain.
A vertical race at 22 Bishopsgate in London that climbs 58 floors and over 1,500 steps while supporting RNLI fundraising.
November 2026
Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.
A 27 mile night-time group training run at Devil's Dyke with about 1,000 m ascent, guided route, head torches required and minimum age 16.
A 10th edition marathon and half marathon on riverside towpaths in Walton on Thames, centred on a two minute silence at 11:00 and organised as out-and-back laps; attended and virtual entries receive a commemorative medal.
Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.
Celebrate Fireworks night with a flexible distance run along the flat Downslink trail in Southwater. Choose your distance on the day and run as many laps as you like over seven hours to earn a bespoke medal.