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 1742 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.

Run festive trails through Sherwood Pines on 14 December 2025 with a family mile plus 5 km and 10 km options open to dogs. Finishers get chip timing, medals and mince pies and there is a Merrell shoe demo.

Celebrate Pi at the Mince Pi Run in Shalford Park on 14 Dec 2025 with distances from a family friendly one mile Pi fun run to multi lap challenges and a Pi marathon. Enjoy waterside trails, bespoke Pi pie medals and only 200 places.

Let it Stow is a festive half trail marathon in Stowmarket, featuring 13.1 miles of footpaths, woodland and country lanes for a scenic run. Finishers earn an eco friendly medal, top runners get trophies and photos capture the day.

Join a scenic 10k trail at Rising Sun Country Park on 14 December 2025 and crest Rising Sun Hill at sunrise for stunning views. The traffic free, well marked course is fast and friendly with mainly downhill running to the finish.

BigXmas Trail Festival at Sale Water Park offers 11 km, half marathon and marathon trail routes along the River Mersey. Chip timed, the festive finish features mince pies, mulled wine and the choice of a medal or a tree planted.

Join the SATURN A Christmas Carol Bobble Hat Run North, a friendly 7 hour timed challenge on a flat trail beside the River Wear with beautiful Durham Cathedral views. Bobble hat entries are sold out but entries from Nov 6 include a running..

Enjoy a festive run through Salcey Forest's tree lined trails with 10k, 5k and a junior fun run supporting Shelter. Expect mixed terrain, bespoke medals, free photos and a prize for best seasonal fancy dress.

Join the festive 8 Maids a Milking at Pengethley Manor on 14 December 2025 for scenic off road laps through rolling vineyards and a cheeky hill. Choose from 5k to ultra and enjoy a welcoming event for walkers and runners.

Tackle a lively PECO Cross Country League race at Pontefract Park on 14 December 2025, featuring an undulating two lap course of about 4.5 to 5.0 miles. Expect competitive club racing and a buzzing winter XC atmosphere.

Take on Mortimer Forest Trail Race on 14 December 2025, a winter multi terrain run of muddy trails, big climbs and panoramic views from High Vinnalls. Choose roughly 10 miles or a 4 mile route to suit your pace.

Join the festive Fell Em Doon 5 km in Ashington on 14 December 2025, a flat traffic free two lap trail ideal for a brisk winter run. Enjoy a well marshalled course, on site first aid and a warm finishers pack with a mug and medal.

Explore Coatham Woods near Eaglescliffe in CLOK's regional orienteering event at Birk Brow and Skelton Warren on Sunday 14 Dec. Routes from beginner white to challenging brown suit all abilities, dogs welcome and limited entries on the day.

Celebrate the season with a festive 7 hour time challenge along the River Wear, enjoying scenic cathedral views as you choose how far to run or walk. Finish at least 5 km to claim a themed medal and a running buff.

Celebrate the season with MV Festive Orienteering at Buchan Country Park on 14 December, exploring woodland trails around the lakes. Courses for all levels, family friendly and every finisher gets a warm drink and mince pie.

Tackle the classic Simonside Cairns fell race near Rothbury on Sun 14 Dec 2025: 11 miles with 540 m of ascent and counting toward the North East Fell Running Championships. Entry on the day £10 includes soup and a roll; teams welcome.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..

Join a guided 16k trail run at High Lodge in Thetford Forest, led at a conversational pace and grouped by ability for an enjoyable outing. Explore varied woodland trails, spot wildlife and pick up friendly tips on trail running.

Join Berkshire Orienteers at Black Park on 14 December 2025 for the SCOA League season opener. Courses for all abilities from White to Brown, SIAC contactless timing, with toilets and a cafe on site for post race refuel.

Run a festive 5 km at Pollok Park on 14 December as part of Acorn Trails South By Five series. Free entry with a small donation to support local causes and community litter picks.

Celebrate the season with a guided Christmas run on 14 Dec 2025 from Princetown Car Park, taking in Hart Tor, Black Tor, Kings Tor and more along a scenic 9 mile route with about 1500 ft of climb. Finish with a welcome drink at the Plume of..