Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1576 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.

Join a guided 30 mile trail run around the Isle of Purbeck, tackling very hilly coastal paths and 1400 m of ascent through iconic spots like Corfe Castle and Old Harry Rocks. This non competitive group run is scenic, challenging and social.

Run a scenic 30 mile ultra around the Rhymney Valley Ridgeway in South East Wales, with ridge top views, trails and woodland. Staffed checkpoints, no time limits and post race care make this a welcoming challenge.

Its Grim Up North Running presents Hip Hip Hooray it's Hornsea, a seaside trail event in Hornsea, East Yorkshire along the Trans Pennine Trail. The race offers multiple distances—5k, 10k, 10-mile, 20-mile, half marathon, and marathon (two h..

Event overview Heights Ultra Trail is a charity running festival based at Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SP. The event offers four marked races: 50 Mile 50 KM 27 KM 10 KM The event raises funds for..

Run the South Downs Way from Eastbourne to Arundel, via Beachy Head, the Seven Sisters and Devil's Dyke for stunning coastal and downland views. Choose a continuous 100 km or a two day option with full support and camping.

Groovy Baby Love is a Peak District fell race from Hayfield Scout Hut on Sat 5 Sep 2026, 16 km with 675 m climb across unmarked ground. Mandatory kit and navigation skills required; pre entry and day entries available.

Tackle the epic 102 mile Yr Wyddfa Snowdon Ultra, a self navigation race through Snowdonia on 5 September 2026 with a 42 hour limit. Mountain experience and solid map skills are required for this tough, remote challenge.

Take on Maverick Kielder Forest Gravel on Saturday 5 September 2026 at Kielder Castle for scenic forest gravel trails with routes from 5 km to 52 km. Weekend camping, staffed feed outposts and a plastic free ethos make it a true outdoor adv..

Tackle a 45 mile mountain ultramarathon in Snowdonia, summiting Yr Wyddfa and crossing iconic peaks for spectacular but demanding terrain. Limited to 500 entrants, this scenic challenge rewards grit and mountain skill.

Tackle Dartmoor in a Day on 5 September 2026, a fully supported off road challenge across wild moorland with 50 km Ultra and 30 km Challenge options. Checkpoints, mobile marshals and a finishers memento make this a memorable day.

Join the 50th Bullock Smithy Hike in Hazel Grove on 5 to 6 September 2026. This classic circular 56 miles challenge welcomes hikers and ultra runners for a scenic, rewarding weekend.

Run a scenic half marathon in the heart of the Yorkshire Dales, winding past Malham Cove and Malham Tarn and climbing to Weets Top before a long descent with sweeping views. Part of the Due North Trail Trilogy, it pairs stunning scenery wit..

Tackle the wild Shropshire Hills at Carding Mill Valley with scenic 13.1 mile and 26.2 mile trail races through the Long Mynd. Well marked routes, aid stations and marshals make this a classic, challenging day out for trail runners.

Join the Longshaw Sheepdog Trial Fell Race on Sat 5 Sep 2026 for a scenic Peak District challenge alongside the sheepdog trials. The 7.1 km course climbs 236 m, is pre entry only and capped at about 200 runners, with trials entry included.

Celebrate the 40th Haytor Heller on Dartmoor, a challenging 6 mile off road loop from Haytor Rock. Expect steep climbs, fast descents, woodland stretches and a stream crossing for a classic moorland race.

Take on the classic Grisedale Horseshoe on Sat 5 Sep 2026 around Ullswater, a demanding 16 km fell race with 1525 m of climb through dramatic Lake District scenery. Entries are limited and pre entry is required for this iconic community cha..

Take on a classic fell and trail marathon around Caldbeck, summiting five Wainwrights including Blencathra. The 26.4 mile route climbs about 5875 ft, is fully tracked and suits experienced fell runners.

Take on the Tiree Ultramarathon on 6 Sep 2026 a scenic 35 mile coastal loop around the Isle of Tiree with a 10 hour cut off. Enjoy island views, a tech tee, medal and goodie bag or race as a two person relay.

Join the classic Burnsall Fell Race in the Yorkshire Dales for a short but fierce hill test, with a steep climb to a cairn and a thrilling edge descent. Entry on the day for seniors is £5.

Enjoy a scenic riverside run in Ross on Wye with 5K and 10K chip timed races plus a 500 m fun run for kids. Flat multi terrain routes may include grass and mud, every finisher gets a medal and prizes await top finishers.