Trail Running calendar near Weir Wood Reservoir 2026-2027

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

Looped trail event near Maidstone through the Kent Downs with 50 km, 25 km and 10 km options. The route is fully signed and supported with covered rest stops, medical teams, GPS tracking and weekend camping at basecamp.

A backyard ultra at Turvey House where runners repeat a 4.167 miles loop each hour; solo and paired entries are available, with 8 hour and 7 hour capped options and chip timing.

Trail races at Box Hill in Surrey with 21K, 31K and 50K options on marked routes. GPX files, chip timing and an event village with medals and post race food.

A ten hour lap event at Pippingford Park where participants aim to complete ten laps of roughly three, four or five mile loops. Each lap must finish back at the race village within the hour and the final grade is set by the shortest loop co..

Woodland trail races in Epping Forest offering a half marathon and a 10K in October 2026, with marked courses, aid stations, chip timing and eco-friendly measures.

A military style obstacle mud run at Hever Castle on 10 and 11 October 2026 offering 3K, 6K and 12K routes with replica Commando obstacles, an event village and a 2-hour survival experience.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

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 community-run event in Old Basing with chip-timed 10K and 6K trail races plus a 2K family fun run, raising funds for Friends of Old Basing Schools.

A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.

A nighttime backyard ultra from Vigo Rugby Club that sends runners repeatedly on a 4.167 mile loop, starting each hour. Options include an open-ended Backyard Ultra or a 7 hour Challenge, with buckle and medal awards plus a team prize.

A 100 mile trail race from Goring & Streatley using Thames Path and Ridgeway routes in four 25 mile out and back spurs. The event has 16 aid stations, full medical support, a 28 hour cut off and mandatory kit and qualifier requirements.

An annual 25 km and 50 km challenge walk, jog or run through footpaths and tracks in Kent, Surrey and Sussex on 17 October 2026. Entrants receive route files and have checkpoints, food and first aid included.

A guided 10 miles trail run around the Chilterns, following canals and reservoirs and passing Britain’s oldest post windmill. The event includes a run leader, trail technique instruction and a finisher’s medal.

Trail races at Bedgebury National Pinetum & Forest on 18 October 2026, offering a half marathon, 10k and junior race on traffic-free woodland trails. Route maps with GPX files are available; entries include a medal, photos and limited free..

An off‑road cross‑country race in Hardwick, Buckinghamshire, covering about 6 miles across varied terrain and water crossings. Entry is limited to 300 runners, with medals and category prizes including team awards.

A 10K trail run through the private grounds of Hole Park in Cranbrook, Kent on 18 October 2026, featuring parkland and woodland sections, timed results, official photography and bespoke finisher medals.

The Blackdown Hill Challenge on 18 October 2026 is a trail running event from Fernhurst Recreation Ground to the Temple of the Winds, featuring a 866 ft climb and wide views. A shorter adult trail of about 4.5 km is also offered.

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.