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 1777 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.

Enjoy scenic single loop trail runs at Aske Hall in Richmond, North Yorkshire, with 5 km and 10 km routes through parkland, woodland and fields. Fairly flat but can be muddy, so bring trail shoes for a picturesque off road challenge.

Explore scenic estate trails at Stately Trails: Aske Hall on 23 July 2026, with 5km runs and walks plus a 10km option across parkland, tracks and woodland. Expect marked, potentially muddy courses, finishers food and optional coaster medal.

Take on a relaxed 5k or 10k at Cromwell Bottom Nature Reserve on 23 July in the Rock up n' Run summer pop up series. Turn up on the night or book ahead and enjoy a jumble medal, hot food and a drink after your run.

Enjoy the Fellrunner in Sheldon on Thu 23 Jul 2026, a spirited 4 mile fell run across the Peak District with around 162 m of climb. On the day entry is £8 and all fees support Sheldon village funds.

Take on the Montane Lakeland 50 or 100, a rugged trail running test from Coniston across the Lake District with dramatic fells, lakes and staffed checkpoints. Expect an epic, scenic and rewarding mountain weekend.

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Join the Tywardreath Trotter under summer evening skies in Tywardreath, Cornwall. Tackle a 7 mile multi terrain course or enjoy a 1 mile fun run with village support and scenic countryside.

Tackle 100 km across the Brecon Beacons on an epic route taking in Pen y Fan and the Carmarthen Fans with roughly 3178 m of ascent. A rugged self navigation ultra with just 250 places and a 24 hour cut off.

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.

Join the Railway Ultra on 25 July 2026 for a scenic riverside run along a disused railway between Ironbridge and Bridgnorth, passing industrial heritage sites. Pick distances from 9 to 37 miles and enjoy aid stations and nearby pubs.

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.