Trail Running calendar near Henley-on-Thames 2026-2027

Choose your distance from 5k to Ultra on a tough off road course at Pengethley Manor. Experience vineyard trails with a seven hour time limit and unique medal options for individuals or pairs.

A fully signed 50k trail ultra on the North Downs Way and Norbury Park with 2986 ft of ascent. Based at Denbies Wine Estate near Dorking, the route includes four checkpoints offering food and drinks.

Races in Bath that run through two restored railway tunnels, featuring distances from 500 m family Colourburst to an ultramarathon and a start and finish at Brickfields Park.

An annual 12 mile trail race around the Vale of Pewsey organised by Pewsey Vale Running Club, listed in Worlds Ultimate Running Races. Proceeds from the Terminator have helped the club donate over £101,000 to local charities.

Trail event in the Meon Valley on 21 February 2027 at Queen Elizabeth Country Park. Options include 16 miles, marathon or 50 km ultramarathon on single-lap muddy trails with two climbs to Butser Hill and stocked aid stations.

A 42-mile trail ultramarathon across historic Essex from Chipping Ongar to St Peter-on-the-Wall, with varied muddy paths, four staffed checkpoints, GPX navigation and compulsory safety kit.

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

Coastal trail running from Eastbourne along the Seven Sisters with 10K, half, marathon and ultra options. Courses cross chalk downland and forest, are fully marked, timed, and form part of the Endurancelife season leaderboard.

A winter ultra around Bristol along the Community Forest Path, offered as a 45-mile full loop or 30-mile partial loop run anti-clockwise. The event is self-navigated with GPX files, checkpoints, chip timing and mandatory kit requirements.

Trail races around Pitsford Water with 10k and Half Marathon routes from Brixworth Country Park, fully marked courses, water stations, first aid, prizes and a finisher medal.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

A mixed-terrain out-and-back event on the Milford on Sea coastal path with 5.3 km laps, coastal views and options from 5K up to ultra-marathon. Facilities include aid tables, on-course toilets and medals for lap finishers.

Trail races from Larmer Tree Gardens take runners around the Rushmore Estate with distances from a fun mile to a marathon. Courses pass chalk valleys and woodlands and include multiple feed stations and event medals.

Experience the iconic Jurassic Coast on this unique trail run from Swanage to Corfe Castle, featuring scenic chalk paths and a vintage steam train journey back to the start.

A trail race at Harrold-Odell Country Park on 13 March 2027 offering 25 km and 50 km distances organised by Thunder Races. Early bird and standard entry prices apply; instalment and transfer options are available.

Multi distance trail event at Hyde Hall Farm on 13/03/2027 offering 10k, half, full and ultra options. The course uses farm grounds with laps, an aid station, secure on site parking and a bespoke finisher medal.

A series of fully marked, fully supported trail and ultra events that prioritise clear waymarking, generous cut-offs, and runnable countryside courses. Distances include an 81-mile Bunyan Trail ultra and 25 km and 50 km Harrold Odell races.

Celebrate International Women’s Day with an all female trail run at the beautiful Culden Faw Estate. Choose from three distances featuring rolling hills and woodland paths in an inclusive environment.

A short out and back carrying race on The Nower in Dorking with a 380 m course and 15 m ascent. Adult pairs follow a weigh in and helmet rules; prizes include a barrel of local ale and novelty awards.

A 13.1 mile cross-country trail from Dorking to Leith Hill Tower and back, with about 1,800 ft of ascent. Entry includes water stations, a personalised number, a reusable medal, post-race beer and a cooked breakfast.