Trail Running calendar near Harwell 2026-2027

A challenging box hill trail race with a precisely measured 10.000km route, significant ascent, and rough tracks. Registration and parking are at Denbies Vineyard, with a Box Hill course or an alternative vineyard course if needed.

Experience a winter trail adventure at the Penshurst Village Cross Country Run. Participants can choose between a standard five mile cross country course or a five mile cani cross run through scenic local landscapes.

A 43 mile ultra from Wendover to Little Venice, the Country to Capital Ultra opens the Grand Slam series with a mixed route of trails, roads and long canal towpath, real-time GPS tracking and five support checkpoints.

The Doughnut Dash is a flexible-distance run along a flat Thames riverside trail. Participants can run from a single lap to ultra marathon distances while enjoying doughnuts. All finishers receive a custom, neon-colored medal.

Experience the Hampshire countryside with a trail run starting from Sparsholt College. Choose between two distances featuring scenic views of Farley Mount and receive a finisher medal and goodies at the finish line.

An offroad event at Pengethley Manor offering 5k, 10k, half, marathon and ultra options with a seven hour time limit. Race and virtual entries are available in January, with paid entries receiving themed medals.

A seven day offroad challenge at Pengethley Manor where runners or walkers choose daily distances from 5k to Ultra and earn a unique medal each day; a virtual option is available during January.

Trail event at Pengethley Manor offering 5k, 10k, half, marathon and ultra distances within a seven hour time limit. The offroad laps include a hill and vineyard sections and a virtual option with a personalised bib and medal is available.

Part of the 7 Deadly Sins series at Pengethley Manor, The Lusty Run offers offroad distances from 5k to Ultra with a seven hour completion limit. A virtual option during January includes a personalised virtual bib and recorded result.

Offroad lap-based event at Pengethley Manor offering 5k, 10k, half, marathon and ultra options with a seven hour time limit. A virtual January option, themed medals and on-site facilities are provided.

Part of the Seven Deadly Sins series at Pengethley Manor, this offroad event offers 5k, 10k, Half, Marathon and Ultra options on 2.5k laps with a seven hour time limit. A virtual option in January includes a personalised bib and medal after..

Part of the 7 Deadly Sins series, The Greedy Run is at Pengethley Manor on 16 January 2027. Runners choose 5k, 10k, half, marathon or ultra and must complete their chosen distance within seven hours on a tough off road lap course.

An off road event at Pengethley Manor offering 5k, 10k, half, full marathon and ultra distances with a seven hour limit. Virtual entries and themed medals are available.

A six hour timed event at Ryton Pools Country Park near Coventry where participants complete as many 5k laps as they wish on a 3.3 mile out and back loop. Canicross and rucking are permitted and part of entry fees support Roald Dahl Charity..

A trail half marathon and 10K in Moors Valley Country Park, Dorset, run on gravel woodland paths with lap-based routes and limited canicross places. The event is chip timed, fully marked and follows several eco-friendly measures.

The May Hill Massacre is a demanding 7-8 mile cross-country run in Gloucestershire, featuring steep climbs and muddy trails. A longer 14-15 mile Mayhem option is available for those seeking an extra challenge.

A twilight out and back trail in Hurn Forest offering 5 mile and 10 mile options. The event uses 2.5 mile laps, provides aid at the start and finish, and donates 20% of entry fees to Forestry England.

Experience a rewarding trail race through the private grounds of Ashdown Forest with 1568 feet of elevation. Choose between 5 or 10 miles of hard packed trails featuring steep climbs and panoramic views across The Downs.

Race through the spectacular winter landscape of Westonbirt Arboretum after dark. Choose from 5km or 10km distances on a solid, road-like trail. Explore over 2,500 species of trees under the night sky.

A single-loop 53 mile trail race starting and finishing at Ditcham Park School in Petersfield. The route has about 6400 ft of ascent, six aid stations, full way marking and is worth 3 ITRA points.