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 2195 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 ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

Timed races from 2.5 km to a half marathon take place at Scorrier House on 23 August 2026, alongside a five hour endurance event called Scorriergeddon. On-site food, music and awards are part of the event.

A scenic circular fell race of about 30 km around Belper that follows Roman roads, farmland and woodland. The event has a 300 entrant limit, entries close 20 August, and all finishers receive a medal and a memento.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

Point-to-point mixed terrain running from Mayflower Park following the Old Way pilgrim trail, with 15 Mile and Marathon options. The route includes a short boat crossing of the Hamble River and passes several historic landmarks.

A multi-distance trail event through the parklands of central Preston with 10K, half, marathon and ultra options, stocked aid station and bespoke medals for finishers.

A 21 kilometre trail race around Derwentwater and the surrounding fells in Keswick on 23 August 2026. Single lap, waymarked course with water, toilets and baggage storage; medals and prizes for finishers.

A 44 kilometre trail marathon in Borrowdale, Keswick, taking runners over Scafell Pike. The mountain section is unmarked so navigation, suitable kit and self supplied food and drink are required.

A South Downs trail running event based at Lancing College offering 5K, 10K, Marathon and 50K routes across grassy trails, chalk paths and ridgelines, with marked, chip-timed courses and aid stations.

A children's fun run organised by Afan Valley Swimming Club on 23 August, covering approximately 1 mile of mixed grass and tarmac with uphill and downhill sections. Entry includes a finishers' medal and a bag of sweets.

A TRA licenced five mile trail race organised by Leigh Harriers AC at Leigh Sports Village on 23 August 2026, with affiliated and unaffiliated entry categories and published entry prices.

Trail running festival in Devilla Forest on 23 Aug 2026 with one-lap half marathon, 10 km, 5 km and a 1.5 km family fun run. Routes are signed and marshalled and finishers receive medals while proceeds support local charities.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

A roughly 10K out and back trail race from Brodick on the Isle of Arran, mostly on rough footpaths and Forestry roads with about 600 feet of ascent. Limited to 100 entrants and held under Scottish Athletics rules.

A self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

Summer community races of 5 km and 10 km from Whitwell and Reepham Railway Station along Marriott's Way, with medals for finishers and fundraising for Keeping Abreast Breast Cancer Reconstruction Support Charity. The races are not timed.

A functional fitness race at Mountbatten Centre on 23 August 2026 combining ten running segments with ten strength Xercises. Multiple formats are available, including solo, doubles and relay, with standard and double-distance options.

A roughly 5.7 mile off road trail in Cardenden Woods on 23 August 2026 that passes the site of Scotland's last pistol duel. Trail shoes are recommended and every finisher receives a unique medal.

A single lap, undulating trail of about 7 miles through Adel Woods, Scotland Woods and Meanwood Park in Leeds, organised by Valley Striders AC with chip timed results, age group prizes and basic facilities at Old Leo's Rugby Club.

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