Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2177 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
August 2026
A last man standing backyard ultra on a 4.167 mile loop in the grounds of Gosfield School, Essex. Runners repeat the loop on the hour until one remains; the event includes camping, showers, a small aid station and a £150 winner prize.
A non stop 130 mile canal towpath race from Liverpool to Leeds run under UK Athletics rules. Open to runners aged 20 and over, the event has a 40 hour limit and a limited number of unsupported entries with regular feed points.
Trail races at Wimbleball Lake offering one lap 5 km and 10 km routes, a canicross option, and chip timed results with marshals and a feed station.
Weekend running festival in Kirkcaldy offering a half marathon, 5 km and 10 km trail races, plus a child friendly Superhero Fun Run and family activities.
Repeated 4.167 mile loops every hour until one runner remains; a timed backyard ultra weekend that raises funds for Bowel Cancer West.
An eight hour timed out and back event on a scenic disused train line near Bridestowe with 5.3 km laps, 70 places and minimum age 18.
Follow the iconic West Highland Way on this 53 mile point to point ultramarathon through Loch Lomond and the Trossachs National Park. Enjoy a fully waymarked route with chip timing and extensive finish line facilities in Tyndrum.
London Backyard Ultra at Frylands Wood Scout Outdoor Centre has runners complete a four mile loop each hour until one remains, with medals, showers and refreshments.
An obstacle mud run on a permanent assault course near Dorking, Surrey, offering 5 km and 10 km options, multiple laps, and entries for solo runners, teams and charities. The course includes mud, water, walls and climbing obstacles.
Join the Arnison Crag Horseshoe fell race in Patterdale on Sat 29 Aug 2026, starting at King George Playing Fields as part of Patterdale Dog Day. A steep 5 km with 300 m climb, entries on the day £5, minimum age 14.
A short fell race of 4 km with about 120 m climb at the Show Field in St John's Chapel. Day entries cost £2 and there are separate junior races for children aged 4 to 12 plus an under 18 category.
Join this lively fell race at Bellingham Showfield as part of the country show, tackling 4 miles with 600 ft of climb across classic Northumberland terrain. No pre entry required; runners aged 16 and over can sign up on the day.
Tackle a classic Pennines fell race in Pendleton on 29 August 2026. The 8 km course packs 457 m of ascent across rough terrain, with on the day entries and homemade cakes and a cosy village pub to reward you.
Tackle the Tripsdale Trot on 29 August 2026 at the Bilsdale Show in Chop Gate. This 5.5 mile fell race through the North York Moors climbs 1437 ft and has a junior fun race alongside. Entry is on the day.
Kinloss Running Festival uses Kinloss Barracks runways and roads on 29 Aug to 30 Aug 2026, offering races from a 1K fun run to a Ray Hughes Half Marathon plus a 4.1 mile Back Yard Ultra loop. Routes are mostly tarmac with minimal elevation.
Trail races from half marathon to 50 miles around Skipton following Pennine Way and Dales Way with mandatory kit and checkpoint support.
An approximately 8 km fell race in North Pembrokeshire with about 320 m of climb and a partially marked course. Junior races run in several age categories and entry fees are modest.
A 43 km, four-stage hill running relay round Glen Lednock starting and finishing in Comrie, run by teams of five with a pair sharing leg 2.
A six hour looped trail challenge in an Area of Outstanding Natural Beauty where participants choose how many approximately 5.45 km laps to complete.
Inflatable 5K Glasgow on 29 August 2026 is a looped inflatable obstacle course with distance options from 2.5k to 15k and family-friendly facilities.