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 1359 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.

Explore coastal and woodland trails at the private Flete Estate in Mothecombe, South Devon, including estuary shoreline and a beach crossing to Burgh Island. Choose 8.5 mile, 15 mile or almost 29 mile routes and earn a bespoke medal.

Run scenic moorland and bridleway trails at the Holcombe 10, starting from the Hare and Hounds and climbing to Peel Tower through Redisher Woods. Choose 10K or 10 mile routes and support The Sunnywood Project's youth programmes.

On 16 May 2026 choose the OTT Trail Marathon or 10 Mile in the Brecon Beacons, tackling Pen Y Fan and rugged upland trails. Expect epic views, testing climbs and a friendly finishers vibe with a coaster and buff for everyone.

Experience a rugged Yorkshire Dales trail run from Skipton with routes through Malham Tarn, Gordale Scar and the ascent to Pen y Ghent via Fountains Fell. Distances range from 13 to 50 miles with UTMB qualifying options, tough climbs and sc..

UTMB Index

Five Rivers Ultra is a scenic point to point ultramarathon circumnavigating five coastal estuaries between Suffolk and Essex and finishing in Harwich. Choose 100 mile, 50 mile or 50 km routes mostly on grass and trail with GPX navigation an..

UTMB Index

Run or walk the stunning Jurassic Coast from Corfe Castle to Bridport, passing Durdle Door, Lulworth Cove and Chesil Beach. Distances from 10 km to 100 km with full support, camping options and a finisher medal.

The Shindig in the Shire showcases scenic routes past Ironbridge Gorge and the Iron Bridge, with some climbs to keep it lively. Pick 8, 16 or 26.2 mile courses and enjoy finisher bling, ales and pub food at The Unicorn Inn.

Take on the True Grit Trail Half Marathon on 16 May 2026 for a gritty 13.1 mile test across quarry sections, forestry trails and the scenic Bedford Park. With 50 places available this muddy, wild route rewards finishers with a bespoke medal..

Run the scenic Berkshire Downs at the Compton Downland Challenge on 16 May 2026, with 26.8 mile or 16 mile trail options along the ancient Ridgeway. Expect climbs, muddy paths, aid stations, chip timing and a hearty post race BBQ.

Run a scenic 50k through Nottinghamshire villages and countryside, weaving between breweries along footpaths, bridleways and minor roads. Start and finish at Milestone Brewery and collect a commemorative event pint glass when you finish.

Tackle the scenic and challenging North Downs Way 50, a 50 mile trail run from Farnham to Knockholt Pound on 16 May 2026. Expect rolling hills, great trail views, well stocked aid stations and a friendly Centurion Running race atmosphere.

UTMB Index

Tackle the Merrell Cannock Chase Challenge on 16 May 2026 at Tackeroo Campsite with 10 km, half or full marathon over scenic off road trails. Limited to 500 entries, enjoy rolling terrain, aid stations, free parking and a finisher medal.

Take on scenic off road trails around Roadford Lake with half marathon, 10K, 5K plus canicross and short kids races. Family and dog friendly event with medals, finish snacks and post race beers.

Join the Semington Slog on 16 May 2026 at St Georges School for 10k and 2k routes through the village and along the Kennet and Avon Canal towpath. Family friendly fun with marshalls, refreshments and a Slog Dog for every finisher.

Run a scenic flat 10K through Golden Acre Park and trails in Cookridge, a single lap route past Paul's Pond and woodland. Places are limited to 360 and proceeds support Cancer Research UK and local community groups.

SilverBackTrails Oswiu’s Revenge Half Marathon is a scenic trail around Black Hambleton and Silton Woods near Osmotherley on 17 May 2026. With only 50 places, it promises a small friendly field and spectacular moorland views.

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

Run 400 km across the wild Scottish Highlands in the Cape Wrath Ultra, an eight day multi stage adventure from Fort William to Cape Wrath lighthouse. Each day brings remote mountains, sea lochs, overnight camps and full on course support.

UTMB Index

Take on the Pommie Panter Fell Race in Youlgrave, Peak District, a rugged 5.8 mile route with climbs, limestone descents and marshy sections finishing on the village high street. All profits support local village facilities and a friendly c..

Hit the scenic trails around Derwent Reservoir with 5 km and 10 km options on firm paths, grass and through woodland, plus medals and Wild Deer merch for finishers. Canicross friendly and chip timed, perfect for trail lovers and families.