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 1789 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 the 5 Golden Rings Run at Pengethley Manor, Ross on Wye for a festive offroad challenge through vineyard trails with a hill each lap. Choose 5k up to ultra on a walker friendly course with medals and virtual entries.

Run the Trail by Torchlight in Llangollen: an 8 km fell race over scenic starlit moor with about 244 m ascent. Bring a head torch and enjoy a lively night race open to runners aged 16 and over.

Tackle the 6 Geese a laying Run at scenic Pengethley Manor, a tough offroad loop through vineyards with a hill each lap. Choose 5k, 10k, half marathon, marathon or ultra, on site or virtual, open to runners and walkers aged 18 and over.

Join the Christmas Jumper Friday Run on 11 December in Walton on Thames for a relaxed rock up and run along the riverside towpath. Pick 5k to ultra, run laps within a 7 hour window and earn a bespoke finisher medal.

Punk Panther Christmas Cracker is a festive trail run in Otley on Saturday 12 December 2026, offering 12, 19 and 32 mile routes across scenic West Yorkshire terrain. Finishers receive a medal and event T shirt, with vegan and gluten free op..

UTMB Index

Moors The Merrier 21 is a scenic yet testing fell race of 21 miles across the South West Pennines from Hebden Bridge Golf Club. Expect moorland vistas, festive fun with a Santa hat and small gift tradition, plus post race hot meal.

Run the 7 Swans a Swimming on 12 December 2026 at Pengethley Manor, Ross on Wye for a scenic offroad loop through manor grounds and vineyards. Distances range from 5k to ultra and the event welcomes walkers and runners.

Celtic Trail Races bring three winter trail distances in South Wales, from flowing single track to steep climbs, with views over the Brecon Beacons. Courses are waymarked and finish at Dare Valley Country Park with checkpoint support.

Tackle a classic winter hill challenge in Southern Galloway with 17.5 km and 800 m of ascent, summiting Cairnsmore of Fleet before a warming finish. Organised by Galloway Mountain Rescue, all profits support their work.

Take on the Simonside Cairns fell race in Rothbury, Northumberland, a rugged 11 mile route over moorland and cairns that rewards grit and scenery. Entry on the day from Jubilee Hall is £10 and teams of three are welcome.

Tackle the 8 Maids a Milking Run at Pengethley Manor on 13 December 2026 with distances from 5k to ultra. Expect a very tough off road course with a hill each lap and up and down vineyard sections, open to walkers and runners.

Join the Sherwood Pines Festive Trail Runs on 13 December 2026, with a family 1 mile plus 5 km and 10 km woodland routes. Finishers get medals, treats and drinks, and dogs are welcome in the 5 km and 10 km events.

Join the Mince Pi Run in Guildford for a Pi themed run by the water, with distances from a 1 mile kids fun run to the 3.14 mile loop and laps up to a Pi marathon. Every finisher gets a bespoke Pi Pie medal.

Salcey Forest Christmas Race offers flat but muddy tree lined trails for 5k and 10k plus a junior fun run. Seasonal fancy dress is encouraged with a best outfit prize, and proceeds support Shelter.

Take on the Chilly Hilly 10 mile cross country run along West Wight coast and inland hills on 13 December 2026. Expect stunning views, friendly marshals and a warm finish with mince pies and mulled wine.

Join the 12 Drummers Drumming Run at Pengethley Manor on 17 December 2026 for off road loops through vineyards and rolling hills, with distances from 5k to ultra. A virtual option lets you take part anywhere and earn the same medal.

Silent Night on Fri 18 Dec 2026 is a bold night fell race in Weardale that sends runners up Chapelfell Top under head torch light. Expect rough, pathless terrain, strict navigation and kit checks, and pre entry only for experienced adults.

Join a spooky festive trail half marathon on 19 December near Bridgend, limited to 70 runners. Expect muddy technical trails, a steep climb, festive treats, a bespoke medal and a prize for best Christmas fancy dress.

Tackle festive hills at the Moel Famau Piece of String Race in Bwlch Penbarras, a friendly, inclusive community run with a Canicross option and a surprise course. Finishers enjoy a mince pie and a festive medal.

Join the 20th Christmas Pudding Dash near Pett, Hastings for a festive muddy cross country with a looped main race of about 4.2 miles plus a fun run and children's scurry. Enjoy medals, photos, fancy dress prizes and support for Shelter.