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 2190 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 team event of five runners tackling self navigated 100 mile trail routes in Cornwall with crew support every 5 to 6 miles, a 36 hour limit, mandatory kit and qualifying requirements, and a £110 non refundable entry fee.

The Shadwell 10k will take place in Shadwell on Saturday 20 June 2026. You can run 10 kilometers.

Castle Bytham 5K is a 5 kilometre off‑road trail run through the Lincolnshire countryside on 20 Jun 2026 as part of the Midsummer Festival. The course uses grassy trails and farm tracks, allows dogs on short non retractable leads, and welco..

Experience the twilight beauty of Ardingly Reservoir during this midsummer evening run. Choose between a 5k or 10k distance on a scenic undulating trail featuring a fully stocked aid station and finisher medals for all.

Part of the MacTuffX UK series in Stoke Gifford, this event combines ten Xercises with repeated runs across solo, doubles and five person relay formats. A LITE weight division is available and all entrants must be 18 and above.

A six hour timed challenge in Hull offering distances from 5K to ultra marathon on an out and back course along an old railway line; aid table, toilets and a finishing medal with goody bag are provided.

A 24 hour community running challenge in Meersbrook Park Sheffield raising funds for women's education and children's mental health in Palestine. Participants may run walk jog or wheel the 1 km circuit and join a free one lap Fun Run afterw..

A 10 km trail race on Arncliffe Moor with a long climb, around 3 km on the moor and a downhill finish toward Kilnsey Crag, held from a car park field at Hawkswick Cote with drinks stations, post-race food and free parking.

A night trail of about 20 miles across the North York Moors, running from sunset to sunrise on a circular route from Goathland Village Hall. Entrants receive trackers and route files; all finishers receive a Lamplighter medal.

Pretty Muddy Southampton is a 5k mud obstacle course at The Common featuring climbing, crawling and sliding. The event supports Cancer Research UK, has a minimum fundraising target of £50 and is open to participants aged 13 and over.

A 5 km Pretty Muddy obstacle course at The Rutland Showground featuring climbs, crawls and slides on grass terrain that can become soft and muddy. Participants must be 13 or older and there is a £50 minimum fundraising target.

A 5k muddy obstacle course at Holme Pierrepont in Nottingham organised by Cancer Research UK. The course mixes paths, grass and woodland and runs in staggered waves; facilities include toilets, refreshments and on site parking.

A Race for Life obstacle event on The Downs in Bristol, featuring a mixed terrain muddy 5 km course with 28 m ascent. It is for participants aged 13 and over and includes on-site facilities, fundraising support and a finishers medal.

An obstacle race in Derry / Londonderry on 20 and 21 June 2026 featuring a 10 km course with over 50 natural and man made obstacles, plus separate 5 km teen and 2 km mini courses for younger participants.

A 24 hour lap event near Caldecotte Lake in Milton Keynes offering individual and team entries, junior options and camping. Facilities include showers, marquees, free drinks and snacks, with hot food available on site.

Mountain fell race in the Brecon Beacons covering 34 km with 1700 m ascent and eight summits. The anticlockwise route includes Fan y Big, has two checkpoint cutoffs at key points, and is open to runners over 18.

Traverse the scenic Cleveland Hills in this 77.3 km ultra marathon from Ingleby Cross to Robin Hood Bay. Runners have 15 hours to complete the course featuring over 1700 meters of ascent through North Yorkshire.

A 12 hour endurance event on a 12 km mixed gravel and tarmac loop in northern Dartmoor, with overnight camping and timed laps. The event raises funds for North Dartmoor Search and Rescue and highlights mental health awareness.

A 7.5 km fell race in Bosley, Peak District on 20 June 2026 with an accompanying 3 km junior race. Entry on the day includes fete admission and parking.

Gowbarrow Round is a 7.6 km fell race in the Lake District on Sat 20 Jun 2026. Entry is on the day only with a £5 fee and a minimum age of 16. The event is based at The Royal Hotel, Dockray, and carries FRA permit insurance.

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