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 1622 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.

Take on the 14th Harmeny AC 7R Multi Terrain half marathon around seven reservoirs near Balerno on 7 December 2025. Varied trails, boggy sections and sweeping reservoir views make for a tough but scenic off road challenge.

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..

Take on the 2 Turtle Doves Run at Pengethley Manor on 8 December 2025, choosing distances from 5k to ultra with a 7 hour limit. Offroad laps wind through vineyards and a testing hill, walkers and runners both welcome.

Join a lively 60 minute street and park orienteering score event around the Yachtsman pub, with SI timing and instant splits. Visit as many controls as you can to score points and test your map and pace skills.

Join the 3 French Hens Run on 9 December at Pengethley Manor in Ross on Wye, part of the 12 Days of Christmas series. Pick distances from 5k to ultra and tackle a scenic off road loop through vineyards and rolling hills, walkers welcome.

Take on 200 miles across five iconic South of England trails in the Winter Downs 200, a continuous loop with 96 hours to finish. Expect rugged countryside, three major aid stations with food and rest, and an exclusive field of 100 starters.

UTMB Index

Join the festive 5 Golden Rings Run at Pengethley Manor on 11 December as part of a 12 Days of Christmas series. Choose from 5k to ultra and tackle offroad laps with a hill through vineyards, walkers and runners welcome.

Join EpicTrails for an 8 km social trail run from Milngavie Train Station, exploring stretches of the Clyde Coastal Path and West Highland Way. A qualified guide will lead small groups, and trail shoes plus a headtorch are required.

Run the 6 Geese a laying event on 12 December at Pengethley Manor, an off road lap course through vineyards with a cheeky hill. Distances from 5k to ultra welcome walkers and runners and every finisher gets a unique series medal.

Experience a winter trail and fell race by torchlight in Llangollen this December from Dinas Bran Leisure Centre. The 8 km route includes about 244 m of ascent, a sharp climb up Velvet Hill and faster downhill sections; head torch required.