Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2216 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

A 50 mile, 5,500 ft circuit through Wensleydale and Swaledale with an ascent of Great Shunner Fell; for experienced walkers and runners with a 22 hour completion limit. The route is based at Harmby Village Hall and includes manned checkpoin..

Trail runs at Callendar House in Falkirk offer three distances, live chip timing and Canicross access. Finishers receive a medal, event merchandise and a snack and drink.

A weekend running festival at Blackland Farm on 18–19 July 2026 offering 1-mile lap formats: 24-hour and 12-hour solos, team relays, plus P24 and P12 paced challenges. Off-road course, camping included and limited Bell Tent upgrades.

An inflatable obstacle course event in Knutsford, Cheshire on 18 July 2026 offering 2.5K, 5K, 10K and 15K options. The course includes giant inflatables, music zones, a finisher's medal and on course water and vendors.

An overnight 12 hour endurance run around Wath Manvers Lake on a flat 3.21 Mile circuit. A clubhouse on course supplies facilities and parking, with on site camping available for an extra fee.

A 7.5 km mixed-terrain race starting and finishing at the Bell & Harp pub in Little Eaton, returning in 2026 with chip timing, a new 45+ category and an afterparty with music and food.

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.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten prescribed Xercises with interval running. Multiple entry formats are available including Solo, Doubles and Relay, with Classic and Double distances and an optional LITE wei..

Castle to Castle Ultra 36 is a 36 mile trail event from Clitheroe Castle to Lancaster Castle on 18 July 2026, with six checkpoints, mandatory kit, chip timing and live tracking.

A Category BM fell race of 12.9 km with 610 m ascent around Calderbrook, based at Calderbrook Community Church. Entries run from 28 February to 16 July 2026 and the minimum age is 18.

A muddy 5k obstacle course at Westpoint, Exeter on 18 July 2026 that raises funds for cancer research. Waves start every 15 minutes, entrants must be 13 or older, and the site offers parking, toilets and on-site refreshments.

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 mixed team fell relay in Eskdale with four paired legs, map and compass navigation only, about 38.3 km total and significant ascent; limited club entries, entry fees support the local primary school.

A vineyard run and walk at Denbies Wine Estate near Dorking with trails across the North Downs, followed by stone baked pizza and a Denbies wine tasting. Trail shoes recommended and free parking is available at the estate.

A mountain running event on 18 July 2026 covering 15.35 km with 994 m ascent. Entrants must be 18 or older and have mountain running experience.

A summer trail race at Mount Cook Adventure Centre on 18 July 2026, featuring a circular 10km ish undulating route across fields, lanes and moors. Entry includes timing and a raffle that directs race profits to a nominated youth or communit..

Trail event at The Compasses, Littley Green covering about a half marathon through the Essex Way and the Chelmer Valley. Self-navigated with a written route, staggered starts and finishes, with profits to Crohn's & Colitis UK.

The Bell Plod on 19 July 2026 is a one-lap trail fun run at Myncen Farm near Blandford Forum, Dorset. The undulating course crosses fields, grass and tracks and is open to ages 4 and over with children under 10 accompanied by an adult.

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