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 2323 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.

Overnight endurance running on a flat 3.21 Mile loop around Wath Manvers Lake. Run as many laps as possible within a 12-hour period, with a clubhouse offering showers, food and parking, plus camping option and finisher medal.

A 7.5 km mixed terrain race on 18 July 2026 starting and finishing at the Bell & Harp pub in Little Eaton, running through the Derbyshire Dales. Entries are open until 17 July with chip timing, a 45 plus category and an afterparty.

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.

A 12 hour night trail event at Bridgend Miniature Railway where runners complete as many 10 mile loops as they can across two to three route options, with marked routes, Base Camp support and a 30 runner limit.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten Xercises with repeated runs in Classic and double distance formats. Entries are offered for solo, doubles, and five person relays with an 18 plus age requirement.

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 5 km mud obstacle course at Westpoint, Exeter on 18 July 2026 featuring climbing, crawling and sliding. Open to ages 13 and over, with staggered wave starts, on-site parking and a minimum fundraising target.

A 5 km muddy obstacle course around Tilgate Lake at Tilgate Park, Crawley, featuring climbs, crawls and slides in a woodland setting. Open to participants aged 13 and over, with staggered wave starts and on-site facilities.

A 5k obstacle event at Worcester Racecourse featuring muddy climb, crawl and slide elements across grass and pavement. Wave starts manage numbers, the event is for ages 13 and over and basic onsite facilities include refreshments and toilet..

A muddy 5k obstacle course at Stoke Park, Guildford on 18 July 2026 that raises funds for Cancer Research UK. Waves run every 15 minutes, minimum age 13, with on-site toilets, refreshments and limited parking.

A four leg mixed team fell relay in Eskdale on 18 July 2026, testing navigation and endurance over unflagged mountain terrain. Teams of eight must be experienced fell runners; proceeds support St Bega’s Primary School.

A social trail event from Dorking Station through the North Downs and Denbies vineyard, finishing at Denbies Wine Estate with stone baked pizza and a guided wine tasting.

A one-lap fun trail run at Myncen Farm near Blandford Forum, set across fields and tracks. Open to ages 4+, children under 10 must be accompanied; places are limited and a weekend camping option is available.

A one-lap trail run at Myncen Farm on 19 July 2026, held on farm tracks and fields with a camping option over the weekend. Open from age 4 with a 100-entrant limit and a ten pound entry fee.

A trail 10K.ish at Myncen Farm on 19 July 2026, run as two laps with a 2.5 hour cut off and camping available over the weekend. Entry is limited to 136 runners, minimum age 16, with different fees for affiliated and unattached entrants.

Trail races at Winwick Hall Estate on 19 July 2026 include fully marked *10k* and *5k* routes plus a *2k* children’s race, on varied terrain with on-course support. A share of entry fees benefits the Bruce Green Foundation.

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.

Wye Valley Tunnel Run on 19 July 2026 features fun runs plus 10 km, half marathon and marathon routes that use the Wye Valley Greenway and long tunnel. Courses are well marked with feed stations and event medals.

A short fell race near Cracoe on Sunday 19 July 2026 covering 2.60 miles with about 900 feet of climb. The route crosses fields, includes a trailer and a wall to climb, rough ground and a final steep ascent.

Coastal running in Cornwall offering a 10.5 km route and a half marathon between Harlyn Beach and Padstow. The event supports Padstow Rowing Club and includes medals, personalised bibs and free race photography.

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