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 1754 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.

Ultra X Wales brings runners to the stunning Brecon Beacons near Abergavenny on 25 and 26 July 2026, offering distances from 12 km up to 110 km. Well supported aid stations, lenient cut offs and on site camping make it a bold but welcoming..

UTMB Index

Run a scenic 50 km loop from Dunster along the South West Coast Path across Exmoor with about 1600 m climb, or choose shorter loops and a family 10K around Dunster Castle. Camping and robust on course support make this a top summer ultra.

Run or walk as far as you like in the 7 hour Ooops I Ran It Again event at scenic Dare Valley Country Park, from 3 km to ultra distances. Finishers earn themed medals and distance pins, with aid stations, vegan snacks and free parking, and..

Alderman's Ascent's tenth running on Saturday 25 July 2026 is an 8.5 km fell race from Greenfield with 400 m of climb. Technical climbs to Shaw Rocks, a fast descent and a tough finish make it perfect for experienced fell runners and champi..

Tackle a classic Lake District fell race on Saturday 25 July 2026 at Beetham Sports Field, a 9.3 km route with 283 m of climb that rewards grit with stunning views. Entry on the day, plus junior sports day races and parking on site.

Tackle classic Lake District terrain at the High Wether Howe fell race on Sat 25 Jul 2026, a 14 km route with 485 m of climb starting and finishing at Stepps Hall. Entry on the day is welcome and proceeds support the Shap community fund.

Scenic flat trail around Maidenhead Commons and Summerleaze Lake on 26 July with 5K to half marathon options. Event base at the Sports Bar with marshals, chip timing, unique medal and free race photos for a friendly community day.

Enjoy a flat, fast riverside trail in Leeds on 26 July 2026 with a 43 to 45 km ultra or a 22 km half. Scenic footpaths pass St Aiden's and Fairburn Ings, and every finisher earns a local medal and a pint from Piglove Brewery.

Run the gardens of Hillsborough Castle on scenic forest routes past the fort and lake, finishing in the event village. Choose 10K or half while supporting Northern Ireland Hospice and enjoy pacers, free photos and a themed medal.

Take on the iconic Pen Y Fan with scenic trail routes to the summit, choose 5 miles or 13 miles, and enjoy chip timing, a finisher buff and medal. Well marshalled with post race treats, this is a classic Welsh hill challenge.

Tackle Pennine moorland in the Holme Moss Fell Race, a demanding 17.8 mile route with big climbs, rocky descents and navigation challenges. Test your skills, enjoy wide open views and reward yourself with post race food and prizes.

Scurry to the Sea is a 12 mile summer race on 26 July 2026 linking the Pentlands to Musselburgh harbour. Tackle hills, trails and roads with mandatory checkpoints before a glorious run across the sand. Limited spots so book early.

Tackle the Hameldon Quarry Race on 28 July 2026 in Hapton, Burnley, a lively 6.5 km trail with about 400 m of climb through Bowland terrain. Day entry only, low fees and team categories make it ideal for a spontaneous challenge.

Tackle the Fellrunner at Lee Mill Quarry, a 10km fell race with 332 m climb, offering steep scenic trails and a tough workout. Entry on the day and teams welcome make this a lively opener for the Rossendale mid week series.

Take on the classic Ambleside fell race near Rydal Park, a short but sharp climb to a rocky summit set in Lakeland scenery. Open to seniors and juniors with age categories, this BOFRA counter promises a stiff test of speed and stamina.

Join the Skipton Rock up n' Run pop up Summer Series along the scenic Leeds and Liverpool Canal in Rodley, with 5k and 10k distances for all abilities. Finishers get a jumble medal and can enjoy hot food plus a beer or soft drink.

Join the Heart Of The Lakes Rydal Round, a scenic Lake District fell run of 9 miles with 915 m climb around Rydal Park. Entry is on the day and the race opens Ambleside Sports; sports field admission applies.

August 2026

She Strides is a women only 50K ultramarathon around Hebden Bridge, taking runners through woodland, moorland and picturesque villages with about 1,400 m of climbing. Vegan friendly aid stations, medals for all finishers and hot food await.

Run from Loseley Park in Guildford on scenic North Downs Way trails with 50 km, 25 km, and 10 km loop options. Basecamp camping, full trail support and a hot finishers meal welcome runners and walkers of all paces.

UTMB Index

Take on the Dovedale Dipper, a scenic trail run and challenge walk from Hartington through the Dove and Manifold valleys in the Peak District. Choose a long 27 mile route or a 15 mile option for gorgeous scenery and a village finish.