Trail Running calendar near Welwyn 2026-2027

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.

A looped 20 mile trail race on 11 October 2026 that starts and finishes inside the 18th Century Landguard Fort in Felixstowe; the route crosses nature reserves and estuaries and includes aid stations and a six hour cut off.

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.

Trail races around Grafham Water on 11 October 2026 offering 10 km and a half marathon on fully marked countryside routes, with water stations, first aid cover and medals for all finishers.

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.

MacTuffX Swindon on 11 October 2026 at County Ground combines ten prescribed Xercises with repeated runs in Classic and 2X formats, offering solo, doubles and five-person relay entries for adults aged 18 and over.

A circular 13.1 mile trail half marathon at High Lodge in Thetford Forest, featuring mixed forest and hard-packed trails, cupless water stations, manual timing, and a 3.5 hour cut-off; minimum age 17.

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.

An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all en..

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.