Trail Running calendar near Avebury 2026-2027

A 12-hour solo trail challenge on a private Dorset farm on 18 July 2026, with undulating off-road terrain, lap-based timing, medal and goodies for finishers, and limited entries.

A weekend trail running festival in West Sussex offering 50 km and marathon options plus shorter runs and a 2 km family Flower Trail, with campsite and glamping, marked single-lap courses and stocked aid stations.

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

An evening trail event at Wendover Woods on 18 July 2026 raising funds for the Chilterns Neuro Centre. It offers 10K, 5K and an accessible 1.5K with marked routes, chip timing and on-course support.

Three coastal trail races follow the Wales Coast Path to a shared finish at Cardiff Bay, offering 100 miles, 50 miles and 30 miles routes with marked navigation, checkpoints and drop bag support.

Outdoor obstacle and mud run events at Huntley Estate in July 2026, including an obstacle race, a mostly-obstacle-free mud run, and a 1 km kids race; medals and event shirts are provided for participants and marshals.

An endurance event at Huntley Estate on July 18, 2026 that pairs eight physical strength tests with 1 kilometre off-road runs after each test, with official times, medals, age group categories, parking and space for spectators.

Pretty Muddy 5k at Tilgate Park in Crawley is an obstacle course around Tilgate Lake with climbs, crawls and slides. The event raises funds for Cancer Research UK and offers on-site toilets, refreshments and parking.

An obstacle 5k at Worcester Racecourse on 18 July 2026 with mixed grass and pavement sections. Participants must be 13 or older, there is a £50 minimum fundraising target, and onsite facilities include toilets and refreshments.

A muddy 5k obstacle course at Stoke Park in Guildford on 18 July 2026 with staggered wave starts. Entry fees and a minimum fundraising target apply; participants must be 13 or older.

A group trail run from Dorking Station through Denbies Wine Estate and the North Downs, followed by stone baked pizza and a guided Denbies wine tasting. Options include an 8 km loop or a 5 km walk.

The Bell Plod is a one lap trail event at Myncen Farm across fields, grass, wild flowers, crops and dusty tracks. Suggested minimum age 4 years; children under 10 must be accompanied by an adult. Maximum 64 entrants and a weekend camping op..

A one-lap trail run across fields and tracks at Myncen Farm near Blandford Forum, held alongside The Bell Plod with different medals for each. Limited to 100 entrants, with a camping option over the weekend of 17 to 19 July 2026.

A countryside trail run near Blandford Forum on privately owned farmland, featuring a two-lap course of about 10 km to be completed within two and a half hours, with limited entries and weekend camping available.

Fully marked trail races at Winwick Hall feature 10k and 5k routes plus a 2k children’s fun run. Courses cross grassland and country paths, on-course support and charity donations to the Bruce Green Foundation are part of the event.

A chip timed 10 km race around Highfield Park and the Alban Way in St Albans on 19 July 2026. The event village features a free family fun run, kids zone, live music and a charity partnership with Alzheimer’s Research UK.

Multi-distance runs along the Wye Valley Greenway, including a long lit tunnel section. Mostly flat routes on former railway track with feed stations, clear marking and event medals for 5 km or longer.

Trail races of 10 mile and 5 mile in Aymestrey on 19 July 2026, with a climb to the Iron Age hillfort at Croft Ambrey. Routes are fully marked and marshalled with water stations, on the day entries if capacity and a juniors 2 km race.

A trail half marathon and 10k on Wimbledon Common on 19 July 2026, with marked miles, marshals and a 3.5 hour cut off. RunThrough provides an event village, finish-line goodies and an optional event t-shirt.

A traditional off road fell race to Selworthy Beacon on Exmoor of about 4 miles with 1000 ft of ascent and descent. The course is self navigated with compulsory checkpoints and prizes for summit firsts and category winners.