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 1754 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.

Enjoy a scenic two day January Half Marathon and 10k on the traffic free Tissington Trail between Ashbourne and Buxton, with gentle climbs out and easy returns. Choose one day or both and earn a bespoke medal and free photos.

Join the Blackdown Beast, a social self guided run across the Blackdown Hills from Dunkeswell on 24 January 2026 with 10 and 16 mile options. Enjoy scenic trails and refreshment stops while helping Macmillan Cancer Support.

Tour De Yr Wyddfa on 24 January 2026 from The Heights Llanberis is a tough 43.5 km mountain challenge with 2327 m ascent in North Wales. Half, pair and relay entries available; strong winter skills and full mandatory kit required.

Join the Buchlyvie 10k trail on 24 January 2026 in Stirling for a mostly flat out and back on an old railway track, chip timed with great support and post race baking. Limited to 300 runners, fun medals and goodie bags for all.

Run a 10 km night trail through atmospheric Kielder Forest, featuring undulating singletrack, steep zig zags and a fast descent to the finish. Part of the Shadowlands Race Series with on the night prizes and series points up for grabs.

Brutal at Bagshot on 24 January 2026 is a gritty, hilly off road challenge on the Army Alpine circuit with bogs, knee to waist deep water holes and twisting, zigzag climbs. Pick a 5 km single lap or test yourself over two laps for 10 km.

Spice Up Your Run Wales on 24 January 2026 at Dare Valley Country Park is a fun themed 7 hour time challenge where runners choose distances from 3km up to ultra, with optional fancy dress. Enjoy scenic trails, on course aid, and a Spice Gir..

Light up your night at the Dalby Forest Head Torch Challenge, a fun 5 mile trail race through atmospheric singletrack and woodland. Expect muddy, adventurous terrain and a lively community vibe for runners of all abilities.

Classic Lake District fell run from Braithwaite Lodge to Stile End, 8 km with 500 m of climb through scenic but testing winter terrain as the fourth race in the Kong Winter Series. Pre entry only and limited to 300 places; minimum age 16 an..

Huffin Puffin Run on 24 Jan 2026 at Xcel SPORTS HUB, Walton on Thames. Flat 5.3 km riverside loop with distances from 5 km to ultra; lap as you like within the time limit and enjoy aid stations and digital results.

Pick your distance on the day at Running Tribe Races in Chalfont St Peter and tackle looped trails through woods and footpaths. Distances from 7 km up to marathon and ultra are offered, with an aid station serving food and drinks.

The North of England Cross Country Championships come to Pontefract Race Course on 24 January 2026, with races for U13 to senior athletes on a challenging parkland course. Chip timing and club colours required, entries close 18 January.

Run the flat, scenic Druridge Bay Beach Trail Runs on 25 January 2026, with options of 10km or half marathon across paths, trails and sand. All finishers get a medal and refreshments, and one well behaved dog is welcome per runner.

Explore marked trails around Stonehenge in a friendly untimed event for walkers and runners, from 5 km to 40 km. Half the proceeds go to Salisbury Hospice and local athletics. Places are limited and it is cupless so bring your own cup.

Take on the Ashdown Forest 10 and 5 Mile on 25 January 2026 at Pippingford Park, a scenic trail run through rolling forest terrain with rewarding climbs and wide open views. Free parking, medals for all and cash prizes for podium finishers..

Choose a half marathon or 10K through Moors Valley woodlands with muddy trails, steep climbs and chances to spot deer and birds of prey. Finishers get a wooden medal and the course is fully supported and timed.

Take on The Half & Half 10 km on 25 January 2026 at Sowerby Bridge for a split terrain challenge. Rugged muddy trails and obstacles give way to a tarmac finish, entries are limited to 100 and hoodies are available to pre order.

Take to flat, scenic trails through Alexandra Gardens beside Windsor Castle with chip timing and friendly post race goodies. Choose 10K or half marathon, enjoy well marked routes, free photos and an event village for food and drinks.

Tackle trails, paths and a signature hill across two round Dirt Run events at Irchester and Brigstock. Choose from shorter races up to 15 km, enjoy marshalled routes, water stations and a custom finisher medal for each round.

Tigger Tor is a classic winter fell race from Fox House on 25 January 2026, taking runners across Houndkirk, Burbage and Hathersage Moors in a 14.2 km course with 490 m of climb. Navigation and mandatory kit make it a true fell challenge.