Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 1968 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.

Experience the Turnslack Fell Race a category BM event covering 12.9 km with 610 m of ascent. Join the fell running community in Calderbrook for this organized race featuring team prizes and post race refreshments.

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.

Experience a mountain run through the Sperrins reaching the summit of Mullaghcarn. This 12 km marked route features 500 meters of climbing and follows scenic trails starting from Gortin Glens Forest Park.

Experience the Somerset coastline and Exmoor on this versatile challenge featuring distance options from 10km to a 50km loop. Enjoy full support with rest stops, camping at Dunster Castle, and a festival atmosphere.

UTMB Index

An inflatable obstacle course event in Coventry on Saturday 25 July 2026 covering approximately 5 km; the 2026 edition is described as larger with more inflatable elements and participant feedback noted a positive family experience.

This six-hour timed challenge lets you choose your distance, from 5k to ultra marathon, on a lapped course along an old railway line. Pick your medal from a past collection after finishing. Drinks and snacks await at the end of each lap.

Experience trail running through the Caledonian pine forests and heather moorland of the Cairngorms National Park. This festival offers distances from 10km to 55km on the scenic Glen Tanar Estate.

UTMB Index

Test your stamina at MacTuffX Birmingham through a series of timed interval repetitions. Choose between solo, doubles, or relay categories across ten sets of 400 or 800 meters in this high energy summer event.

A timed, lap format run along The Itchen Way in Winchester with a professionally measured, permitted course. Runners may complete multiple 2.62 mile laps up to ultra distance and receive a bespoke finisher's medal and aid station provisions..

Run through the historic grounds of Hillsborough Castle and Gardens on a traffic-free, multi-terrain course. Choose from 5K, 10K, or Half Marathon distances. The event supports Action Mental Health.

Test yourself on the highest peak in South Wales with a 5 or 13 mile trail race up Pen Y Fan. This supported mountain event features chip timing, finisher medals, and routes through the scenic Brecon Beacons.

Experience a traditional moorland fell race covering 28.5 km and over 1200 meters of ascent. This high elevation route follows the Pennine Way and requires strong navigation skills in true wilderness terrain.

Experience a unique 12 mile run from the peaks of the Pentland Hills to the shores of Musselburgh beach. Navigate a mix of cross country and urban trails with scenic views across Edinburgh.

Run 14 miles along the Northumberland coast from Beadnell to Alnmouth on 26 July 2026, mixing sand, road and trail and finishing on the beach. Limited places and a 3 hour 30 minute cut off for tide and safety mean book early.

Experience a scenic 10k trail run through the historic Garendon Park in Loughborough. This chip timed event features an undulating one lap course through wooded paths and open countryside for runners of all abilities.

Experience the scenic beauty of the South Downs Way with trail races starting from Queen Elizabeth Country Park. Choose between three distances featuring woodland paths and panoramic views across Hampshire and Sussex.

UTMB Index

Bright Skies Surrey Hills on 26 July 2026 at Denbies Wine Estate in Dorking offers trail races from 10K to marathon, plus Canix and kids races. The marathon is self navigated with mandatory checkpoints.

This 14 km fell run in the Yorkshire Dales starts from historic Bolton Castle. The route includes 305 metres of climb and welcomes teams. Records show a fast, competitive history for this FRA-permitted event.

Test your endurance at MacTuffX Sheffield with a variety of interval based running events. Choose between solo, doubles, or relay formats featuring repeated 400m or 800m distances in this summer competition.