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 1928 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 timed multi-lap event at Chorlton Water Park on 13 June 2026 with laps of a 5.3 km out and back riverside course, a seven hour limit, vegetarian aid station options and a charity donation per entry.

Run the 9.5 km Wincle Trout fell race in the Peak District, featuring a 320 m climb and a river crossing. The event is part of the lively Wincle Village Fete. A shorter 3 km junior race is also available.

Test your endurance at the historic Sandringham Estate in this 24 hour challenge for solos, pairs, and teams. Complete as many 5 mile laps as you can across scenic woodland trails and parkland to earn your finisher medal.

Experience the world largest inflatable obstacle course in Brighton. Navigate a 5k route filled with massive bouncy structures designed for a fun and active day out in East Sussex.

Test your endurance at Kielder Castle with a 170 mile trail challenge. Navigate five distinct legs solo or as a team and strategically choose your route to conquer the North Star.

Enjoy a scenic multi-terrain run through the countryside with chip-timed 5K and 10K races. All proceeds support Neroche Primary School and every finisher receives a medal.

Experience a historic 24 mile fell run or challenge walk through the scenic landscape of Swaledale. Participants navigate this 10 hour course starting from Reeth in an event held annually since 1979.

Experience the fells of the Upper Eden Valley with four distinct course distances ranging from 11 km to a 65 km ultra. Enjoy a professional mountain event featuring GPS tracking, basecamp camping, and routes through the scenic Northern Fell..

Experience a Category AL Scottish hill race on the Isle of Arran. This 20km course features 1670m of climbing across granite peaks and heather moorland for experienced navigators.

Experience a weekend of trail running in the Lake District featuring an 8 hour relay and a 22 km race through Grizedale Forest with camping and music.

Test your endurance at Inverlael Forest with a five hour lap challenge overlooking Loch Broom. Complete as many 3.6 km loops as possible as an individual or in a team to support the Highland Hospice.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

Experience a variety of trail distances from 1km to a full marathon at the scenic Somerset levels. Join a unique multi event Omnium challenge featuring hill climbs and sprints alongside classic hilly trail routes.

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Join a vibrant 5 km cross country color run in Silsden featuring seven paint stations and obstacles. This family friendly event supports Sue Ryder Manorlands Hospice and includes a finisher medal and post race entertainment.

Experience a scenic lapped trail race through South Yorkshire woodland and paths starting from a traditional village pub. Choose from four distances and enjoy a post race chip butty and bespoke medal.

Experience the North York Moors with circular trail races starting from Chop Gate. Choose between a 28.5 mile marathon, a 16.5 mile half marathon, or a 9.5 mile 10k through the beautiful North Yorkshire landscape.

The Montane Summer Spine is a 268-mile non-stop race along Britain's iconic Pennine Way. Runners have 156 hours to traverse the mountainous route from Edale to Kirk Yetholm. The event is unsupported and requires significant prior endurance..

The Hampshire Hoppit offers scenic, single-lap trail runs from Watership Down. Choose from a marathon, half marathon, or 10K, exploring high points and off-road paths. Your entry includes a medal, photos, a beer glass, and free parking.

Join a guided 20km mountain run from Beddgelert Forest to Llanberis across the Snowdon Range. Led by qualified Mountain Leaders, this event offers expert route knowledge and 1,900m of elevation gain in the heart of Snowdonia.

Prepare for the Montane Lakeland 50 or 100 with a 26 mile recce from Pooley Bridge to Ambleside. This organized training session includes coach transport, medical support, and course familiarization through Mardale Head and Kentmere.