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 2318 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 mountain navigation ultramarathon in Snowdonia on 5 September 2026, listed as 45 miles with about 2800 m ascent. The race uses live GPS tracking, has five staffed checkpoints with medical cover, and requires mandatory kit and prior mounta..

A mainly off road 50 km ultra with a 30 km challenge option across Dartmoor from Okehampton to Ivybridge, featuring moorland terrain, notable tors and river crossings, GPX and map support, checkpoints with refreshments and guided leaders.

The Bullock Smithy Hike is a 56-mile circular ultra-hike or run organized by a local Scout group. Held over a weekend in September, it starts and finishes in Hazel Grove.

Teams of eight carry a barrel across the moors in Edale while individuals run the same fell course and children race a shorter route. The event on 5 September 2026 is based at Newfold Farm Campsite and raises funds for local primary schools..

Tackle a scenic 12 or 24 hour loop around Loch Morlich in Glenmore Forest, testing endurance on a supportive, compact course. Limited entries and a runners welfare hub at The Hayfield make for a friendly, focused event.

Experience the scenery of Malham Cove and Malham Tarn in this licensed trail half marathon. Enjoy a well supported route with post race meals and unique local rewards in the heart of Malham.

Trail running in Carding Mill Valley near Church Stretton with Marathon, Half Marathon and 10K options. The course crosses the Shropshire Hills and The Long Mynd and features marked routes and aid stations.

A Backyard Ultra at Hardwick Hall Estate where runners repeat a 4.16 mile loop every hour until only one remains. The route crosses estate trails, farmland and woodland with on site aid and first aid support.

An eight hour loop challenge at Borders Forest Park on 05 Sep 2026 where runners complete 4.366 mile laps timed by an electronic wristband. The event lists mandatory kit, basecamp facilities, parking fees, and accommodation options.

A 7.1 km fell race on the Longshaw estate in September 2026, using the estate’s new route and 237 m of climb. Entry includes admission to Britain’s oldest sheepdog trials plus food and grandstand seating.

A single lap off road moorland race of about 6 miles starting and finishing at Haytor Rock, with steep climbs, woodland sections and a stream crossing. Entry is limited to 350 runners and the event supports the Moor Trees charity.

A traditional fell race from Glenridding around Catstye Cam, Helvellyn, Grisedale Tarn and St Sunday Crag with manned checkpoints, compulsory mountain kit and limited entries. The route includes specific path requirements to protect sensiti..

Two ultramarathon options along the Saints Way Trail on 5 September 2026 in Looe, Cornwall. Choose a 28 Miles coast to coast stage or the 56 Miles return Ricochet, with GPS tracking, feed stations, medals and required kit.

A muddy obstacle-course event in Brentwood on 5 September 2026 with 1.5 km and 5 km options, on-course obstacles, foam and water features, finish-line wash facilities and family-friendly arrangements.

Enjoy a scenic trail run through the Staffordshire countryside starting and finishing at a canal side pub. This charity event features a 10k route followed by evening food and music.

Trail races around Derwentwater in Keswick with marked, marshalled 5K, 10K and 15K routes, an event village with music and food, and specific age and time limit rules for each distance.

A series of runs at Westonbirt Arboretum in Sept 2026 and Feb 2027, offering distances from 1 mile to half marathon on solid forest paths, with marked courses, feed stations, event medals and age‑based entry rules.

A one-day trail event on 5 September 2026 around Barmouth and Cadair Idris offering three race distances. Routes pass coastal viewpoints, forest tracks and mountain trails with marked courses, marshals, chip timing and post race provisions.

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

A long-distance walking and running event crossing Wales over a 45 mile linear route to be completed within 18 hours, presented as a weekend package with accommodation, coach transport, refreshment stops and route maps.

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