Trail Running calendar near Thetford 2026-2027

Experience a flexible trail event at Billingford Lakes with a 5.3 km lap course through grasslands and rugged trails. Choose between 4 and 6 hour sessions to complete your preferred distance and earn your bespoke finisher medal.

Experience a scenic run through the private grounds of the Sandringham Estate featuring a half marathon and shorter distances. This sustainable event offers a unique chance to pass the Royal House on a mix of roads and trails.

Volunteer run charity 10k and 3k through farmland near Grantchester on 27 September 2026, supporting Maggie’s Centre Cambridge and Addenbrooke’s Charitable Trust. Chip timing, medals, trophies, parking and post run services available.

Experience a scenic off road run through the fields surrounding Manuden with distances of 10k, 5k, and 1k. Enjoy locally organized routes with course water stations and finisher medals for all participants.

MacTuffX London offers a unique interval running competition in September 2026. Participants can compete in solo doubles or relay categories over repeated 400 meter or 800 meter distances in Barking.

Experience an ultra distance eco trail through the ancient woodlands of London. This event takes runners on a 50 km journey starting from Capel Road into the natural paths of Epping Forest.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

A 10th anniversary five mile chip timed cross country and Canicross in the Upper Wreake valley, featuring fields, stiles, brooks and hilly countryside. Race HQ is at Hoby & District village hall with parking and facilities.

Run a scenic 5-mile trail through Cawston Park estate to support Norfolk Lowland Search and Rescue. This chip-timed, off-road race offers prizes for top finishers and a memento for all. On-site parking and refreshments are available, with p..

Multi terrain 10 km and 5 km runs around Thompson with bespoke medals and trophies. Facilities include refreshments, toilets and parking, and all profits support the Thompson Millennium Green Charitable Trust.

A coastal ultramarathon of about 75 miles along the Essex saltmarsh from South Woodham Ferrers to Salcott, offering two day, continuous and three person relay options with GPS tracking, regular aid stations and downloadable GPX routes.

An hourly backyard ultra at Turvey House where runners complete a 4.167-mile (6.7 km) loop each hour, with solo, pairs, 8-hour and 7-hour capped options, chip timing, aid station, first aid and prizes.

Trail event in Dunwich on 10 Oct 2026 offering 10K, half marathon, marathon and ultra on mainly flat coastal terrain. Electronic timing, a marked course and seasonal leaderboard points for finishers.

A guided 13 mile trail half marathon in the Chiltern Hills with around 300 m ascent, grouped running with qualified leaders, a halfway refreshment point and a finisher's medal.

Experience an autumn trail run through ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or Half Marathon course on fully marked paths with a strong focus on sustainability.

A looped 20 mile trail event at Landguard Fort in Felixstowe on 11 October 2026. The route crosses two nature reserves, two river estuaries and the Port, includes a 6 hour cut off, and is held under UK Athletics rules.

Experience the scenic Cambridgeshire countryside with 10k and half marathon trail races around Grafham Water. These fully marked and marshalled routes offer beautiful reservoir views and a variety of local tracks.

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.

Experience a scenic 15 km trail run starting from Tring and traversing the Ashridge Estate. This historic race features the Ridgeway path and provides participants with the choice of a finisher t-shirt or planting a tree.

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.