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 1504 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.

Challenge yourself to a scenic 17 km Lake District fell race with about 906 m of ascent across classic high ground around Grey Friar and Old Man. Pre entry only via SI Entries from 14 April and all proceeds support Alzheimer's Research UK.

Enjoy a lively 10 km multi terrain run around Ramsbury Brewery on Sunday 9 August 2026, with a canicross option and mostly off road trails. Finish with a pint and support Brighter Futures in this friendly community race.

Hardmoors 26.2 Farndale invites runners to tackle scenic but rugged trails in the North York Moors with marathon, half and 10k options. Limited entries and mandatory kit make this a challenging, self navigated trail adventure.

Enjoy a scenic undulating 10k through quiet lanes around Mount Ephraim Gardens with views of rolling Kent hills. Includes a bespoke medal, free garden entry and supports Oasis Domestic Abuse Services.

Take on the Devil Half Marathon, a 13.1 miles trail through the Derwent Valley with 1666 ft of ascent. Finish with photography, music and a finisher T shirt plus cash prizes for top finishers.

Run a challenging 21 km circuit from Lowther Castle through Lakeland fells, including a scenic ford crossing of the River Lowther. Enjoy steep climbs, stunning views and support Eden Valley Hospice on 9 Aug 2026.

Tackle a classic Saddleworth fell race with sweeping views over Manchester on a testing 10 km course with 400 m of climb. Mass start from the Cross Keys Inn with on the day entry available and a well earned chip butty at the finish.

Join the historic Eccles Pike Fell Race on 12 August 2026 for a sharp out and back from Buxworth to the summit of Eccles Pike. A compact but testing climb and descent, this local classic dates to the 19th century.

Take on the classic Whittle Pike fell race in the South West Pennines on Wed 12 Aug 2026, roughly 5.5 miles with 550 m of climb from Cowpe Village Hall. Entry on the day is available for £5, teams welcome and runners must be 16 or over.

A sharp 4.4 km fell race from the Ragleth Inn in Little Stretton featuring 390 m of climb and great ridge views; a fast, testing course for keen fell runners. Pre entry via SI Entries or entries on the day are welcome.

Join this classic Keswick fell race in the Lake District on Wed 12 Aug 2026 for a lively 4.7 mile trail challenge with 280 m climb and a summit of Latrigg. On the day entries are welcome, fee £5 and runners must be 16 or older.

Join this classic Peak District fell race in Darley Dale on 13 Aug 2026 for a compact 7.3 km with 240 m of climb, testing speed and stamina on scenic trails. Pre entry required; check the organiser for registration details.

Join the relaunch of the Flagg Moor Run in the Peak District on 14 August 2026, a village fell race of 5.5 miles. The mostly off road course winds through fields and lanes with a long downhill finish back to Flagg.

Join Saturn Too Midweek Medal Madness on 14 August 2026 for a seven hour timed challenge along the Thames with distances from 3 km to ultramarathon. Finish 3 km to earn a medal and goody bag with drink stops on course.

Its Grim Up North Running’s Sir Titus Summer Trot takes place beside the canal near Saltaire’s world heritage village in Saltaire, Shipley, West Yorkshire. The event offers distances from 5k to Ultra, all on a largely flat towpath suitable..

Tackle the rugged Ilkley Skyline on 15 August 2026, a 22 mile, 3000 ft fell run across eight moors including Beamsley Beacon and Round Hill. Start and finish outside the Hermit Inn in Burley Woodhead for classic moorland panoramas.

Run the Foxton Hound Ultra from Winwick Hall near Market Harborough along parts of the Harborough Round through scenic Northamptonshire and Leicestershire. Choose 50 km or 100 km of varied trail with navigation challenges and iconic sights.

Choose 50 km or 100 km on the scenic Speyside Way from Aviemore or Tamdhu to coastal Buckie. Enjoy mostly runnable trails, whisky country scenery and a dramatic coastal finish.

SkyRun Eryri in Rhyd Ddu, Snowdonia on 15 August 2026 offers four mountain races from a 16 km trail to a 55 km ultra across rugged, technical terrain and stunning peaks. Staffed aid points and bold climbs await adventurous trail runners.

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through par..