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 1763 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.

Lakeland Paws Grizedale Growl on 7 December 2025 in Grizedale Forest offers scenic 5K and 10K runs on forest roads and trails with views over Coniston Water. Chip timed and dog friendly with up to two dogs per runner, event is full.

Join the inaugural Allsorts Tinkley Gate Santa Dash for a festive family friendly 5 km trail run at Woodchester, with costumes and a post race cafe. Dress as Santa or an elf to support local charity Allsorts; dogs on short leashes welcome.

Run a scenic 10 km loop around Rye Harbour Nature Reserve on 7 December 2025, mostly on trail and fully marshalled and marked. Limited to 70 runners, with postrace tea and cake at Winchelsea Beach Community Centre.

Run around Glamis Castle on 7 December 2025 on scenic woodland and parkland trails, with a 1 mile family run plus 5 mile and 10 mile races. Dogs are welcome in the 5 and 10 mile events and all finishers receive a bespoke medal and festive t..

Join Partridge in a Pear Tree at Pengethley Manor on 7 December 2025, part of the festive 12 Days of Christmas series with distances from 5k to Ultra and a unique medal. Run or walk a scenic offroad loop through manor grounds, vineyards and..

The The Beacon Bash will take place in Appley Bridge on Sunday 7 December 2025. You can run 20 miles.

Join the Nuts Christmas Trail Race on 7 December 2025 in Balbirnie Park for a lively 4 to 5 mile woodland run with mud, water crossings and gentle climbs. Limited to 140 entrants, every finisher earns a bespoke race memento and top runners..

Join Northwich Running Club for the Marbury Festive Fun Run on 7 Dec at Marbury Country Park, a flat 3 km loop for running or walking. Fancy dress is encouraged, Santa's Helpers will cheer you in and finishers get a Christmas medal and trea..

Take on the Harmeny AC 7R Multi Terrain Half Marathon on 7 December 2025, a rugged winter course around Harlaw and Threipmuir reservoirs with trails, rocks and bogs. Limited to 140 runners and now closed to entries.

Navigate the sand dune maze of Braunton Burrows South at a scenic orienteering event on Sunday 7 December, part of the South West Orienteering League. Multiple courses for all abilities promise coastal views across the Taw estuary and Saunt..

Join a regional colour coded orienteering event at Highwoods Country Park, Colchester on Sunday 7 December with courses for all abilities up to a 7.0 km Blue course. Enjoy woodland and grassland terrain, waterproof maps and a friendly vibe.

Explore Greenhead Park and nearby streets in a fun urban orienteering using the MapRun app, with courses from short family routes to longer challenges. Meet in the Community Room beside Greenhead Park Café for maps and registration.

Join the Christmas Cracker at Newlands Corner on 7 December for pantomime themed family score orienteering and colour coded Orange Green and Blue courses. Guildford Orienteers will provide festive refreshments and friendly guidance.

Enjoy colour coded orienteering at Beverley Westwood with courses for novices through experienced navigators. Explore runnable common land, small woods and contour features while grazing cows and a nearby golf course add local charm.

Join the Wycoller Wander on Sun 7 Dec 2025 for a scenic 6 mile trail with 850 ft of climb across the South West Pennines. Fancy dress is encouraged with a Heroes and Villains theme and proceeds support the BemoreLaura foundation.

Tackle the classic Gravy Pud fell race in the Peak District Sun 7 Dec 2025, an 8 km / 5 miles route with 305 m climb that visits rugged moorland and finishes at the Bulls Head in Tintwistle. A lively community event for experienced runners.

Tackle a scenic 3 hour mountain marathon across the Peak District moors, solo or in pairs with junior entries available. Pre entry only for this natural terrain challenge, with waterproof maps and post race hot drinks and flapjack.

Tackle a 10 km trail through Tatton Park on 7 December 2025, with undulating mixed terrain and a traffic free final kilometre. Enjoy a festive vibe, a bespoke finisher medal, prizes and support for charity MOVE.

Join the Phoenix Running Bobble Wobble Run at Crystal Palace Park for a timed multi lap challenge on park trails. Run as many 1.65 mile laps as you can in seven hours and collect a finishers medal and Phoenix bobble hat.

Take part in the festive Bobble Wobble Run at Ardingly Reservoir, choosing 5 km to ultra laps on scenic off road trails with a flexible start window. Finishers get the new double lined Phoenix bobble hat and a finisher medal unless you opt..