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 1576 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 Beacons Way Ultra 100 Mile, a stunning 100 mile trail through the Brecon Beacons with over 6,000 m of climbing and 10 checkpoints. Enjoy wild scenery, live GPS tracking and a memorable finisher buckle for your achievement.

Run a scenic 54 to 55 km circular ultra across the Yorkshire Wolds, with 4,100 ft of climb through hidden valleys and quaint villages. Limited to 200 runners, the eco minded event ends with tea, cake and reclaimed trophies.

Run along the scenic Coalport railway beside the River Severn, passing industrial heritage sites between Ironbridge and Bridgnorth. Choose distances from 9 to 37 miles on an out and back course with regular aid stations.

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 the South West Coast 50 from Dunster basecamp beneath Dunster Castle, a scenic 50 km loop on the coastal path and Exmoor with about 1600 m of climb. 25 km and 10 km options plus full support and camping suit runners and brisk walkers.

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..

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.

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.

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.

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.

North Downs 50 from Loseley Park, Guildford is a scenic 50 km loop along the North Downs Way and Surrey hills on 1 August 2026. Multiple distances, a new Trailblazerz category and robust night support make it ideal for adventurous trail run..

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.

Tackle EDDUM 2026, a 50 mile loop along the Epynt Way around Sennybridge Training Area, framed by the Brecon Beacons and Cambrian Mountains. No time limit, fully stocked checkpoints and crew support.

Isaac's Tea Trail Ultra Backwards is a 37 mile loop through the North Pennines AONB and UNESCO Global Geopark. Rugged trails, big climbs and self guided navigation with checkpoints, tracking and post race food make for a scenic, testing day..