Trail Running calendar near Boreham 2026-2027

A flat, single lap 10K on 11 October 2026 around the Dengie peninsula with coastal sea wall and countryside sections, finishing at Dengie Hundred Sports Centre. Free parking and changing facilities are available.

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.

An inflatable obstacle-course event at Royal Norfolk Showground on 17 October 2026 with 2.5 km laps and options up to 15 km, music zones, a water station, finisher's medals, and family-friendly entry rules.

A 100 mile trail race from Goring and Streatley using Thames Path and Ridgeway in four 25 mile out and back legs. The course has 16 aid stations, a 28 hour cut off and mandatory qualifying entry standards.

An annual cross-country challenge walk, jog or run of 25 km or 50 km across footpaths and tracks in Kent, Surrey and Sussex, with checkpoints, food provided, GPX route files, and first aid cover.

A guided 10 mile trail run around canals, reservoirs and Britain’s oldest post windmill near the Chilterns. Includes a run leader, trail technique instruction and a finisher’s medal; places are limited to 40.

An off road 10 km run through Norfolk bridle paths and woodland with optional obstacles and a ford crossing. Event HQ is at The Stag pub, a water point is at 5 km, refreshments and bespoke medals are provided and proceeds go to Purfleet Tru..

Trail races through Bedgebury National Pinetum offering Half Marathon, 10k and a junior race with route maps, GPX files, a bespoke medal and free photographs.

Cross-country race in Hardwick, Buckinghamshire on 18 October 2026, run over about 6 miles of off road terrain with water crossings and varied surfaces. Entries are limited to 300 and participants must be at least 17 years old.

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.

Beachy Head Marathon Weekend is a multi-distance trail event at Bede's Prep School on 24 October 2026. Races include Ultra, Marathon, Half Marathon and 10k; runners note scenic, hilly routes and strong volunteer support.

A 47 mile point to point ultra along the Thames Path from Iffley to Henley on Thames, with mixed trail and road terrain, five aid stations, mandatory kit requirements and real time GPS tracking. The event has an 11.5 hour cut off.

A 30 mile out and back along the River Stort and Lee Navigation on mostly flat grassy and gravel trails, with checkpoints every five miles, electronic timing and a finisher medal; trophies for the top three men and women.

A multi-lap running event at Ferry Meadows with a 5.3 km loop and 4- or 6-hour formats, offering 5k to ultra distances, lap-based aid stations, and event medals. Parking is chargeable and the event is cupless.

Experience a timed anti clockwise loop around Canvey Island featuring sea wall paths and coastal trails. This self supported adventure includes a unique pub check point and follows the scenic King Charles III England Coast Path.

ATW Grafham 5K and 10K at Grafham Water on 25 October 2026 features 5K and 10K races alongside the ATW Grafham Duathlon. Camping is available and the event supports Alzheimer’s Research UK.

Off-road marathon and half marathon south of Canterbury on scenic trails and country lanes. The Marathon requires navigation and mandatory kit; OpenTracking is available and £1 from each entry supports the Kent Neuro Therapy Centre.

Looped 7K and 10K courses near Chalfont St Peter and Gerrards Cross let entrants choose distances from 7K to 40 mile ultra on the day, with aid station, drop bag access, pacers, crew support and medical cover.

A Halloween themed night run at Irchester Country Park on 30 October 2026, offering a 5k race and a 2k family fun run on marked woodland trails. Entries include a finishers medal, free photos and a bag of Halloween treats.