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 1234 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.

SCOTT Sports Summer Cheviot Goat is a challenging 50-mile (ish) ultramarathon set in the remote Cheviot Hills of Northumberland, England. The loop course, described as England’s loneliest ultra, starts and finishes at Ingram Village Hall (NE66 4LU). Organized by Cold Brew Events in partnership with..

The West Highland Way Race will take place in Milngavie on Saturday 20 June 2026. You can run 98 miles.

UTMB Index

Three Shires Way Ultra & Marathon is Race Harborough’s event, offering a 50-mile Ultra and a Marathon along the Three Shires Way through Buckinghamshire, Bedfordshire and Northamptonshire. The routes run through rural landscapes and woodlands, with a well-marked bridleway for navigation. The Ultra s..

Jurassic Extinction / Jurassic Coast is a multi-distance ultra along the World Heritage Jurassic Coast, spanning from Poole to Exmouth. Distances on offer are 33km (Beer to Exmouth), 50km (Lyme Regis to Exmouth), 100km (Weymouth to Exmouth), and 105 miles (Poole to Exmouth), with a 70km option (Pool..

The Centaur 100 Mile Ultra, hosted by Phoenix Running, is a unique 100-mile trail running event held at Denbies Wine Estate in Dorking, Surrey. Designed for both seasoned ultra runners and first-timers, the race features a flat-ish, single 1-mile loop course through the scenic wine estate trails. Pa..

Saltire 24, 12 and 6 is a late-June ultrarunning event held at Knockburn Sports Loch, Strachan, near Banchory, Aberdeenshire. It offers 24-, 12-, and 6-hour endurance options, run solo or as a team of 2-8, with each lap about 4.2 miles on a scenic, multi-terrain course through the Knockburn estate...

North Yorks Challenge is Ultra Challenge’s coastal-and-moors ultra based in Scarborough, North Yorkshire. The event offers a 100 km loop with ~2,270 m of climb, plus shorter options: 50 km, 25 km, and a Whitby 10-mile loop. The route travels from Scarborough along the coast to Robin Hood’s Bay and W..

Lamplighter 40 Night Ultra is an all-night trail ultramarathon organized by SilverBack Trails, based at Goathland Village Hall on the North York Moors. The 40-mile circular route runs from sunset to sunrise, visiting markers such as Triangulation Pillars, cairns, and other checkpoints before returni..

Solstice at the Lakes is a timed trail running event held at Leybourne Lakes Country Park in Kent, featuring 6-hour, 12-hour, and 24-hour race options. Participants can compete solo or in teams (pairs or up to four runners) on a flat, fast, and scenic 2.5km loop combining trail, gravel, and tarmac s..

Ultra Wales 50 is a 51-mile mountain and trail ultra staged by GB Ultras, based at Coed-y-Brenin Visitor Centre near Dolgellau in southern Snowdonia. The route climbs about 2898m and visits Cadair Idris and Rhinog Fach, plus Dolgellau, the Barmouth estuary and the Coed-y-Brenin forest. The race feat..

Two Roses Ultra, run by She Strides Events, starts at Wadsworth Community Centre in Old Town, Hebden Bridge. Participants can choose between two 50 km routes—Lancashire (Red Rose) or Yorkshire (White Rose)—or a 100 km figure‑of‑eight by tackling both. The course traverses two counties, with moorland..

Lake Vyrnwy 10k is a trail/multiterrain running event on the Lake Vyrnwy Estate near Llanwddyn, Powys. The 10-kilometre route traverses private land on the estate and is not advertised to respect landowner wishes, offering lake views with a mix of fast footpaths, grassy sections, rocky stretches and..

The Saturn 7 Hour Time Challenge in Durham is a trail running event held along the scenic River Wear, offering views of Durham Cathedral. Hosted at the Durham Amateur Rowing Club, the course features a flat, fully signed loop of approximately 4.37 miles (7 km), with options for shorter laps to accom..

The Lake Vyrnwy event is a trail, multi-terrain race of approximately 10k set around the Lake Vyrnwy estate. The route stays on private land in Llanwddyn and includes a mix of fast footpaths, grass, stony sections and short stretches of tarmac. The course features climbs and fast downhill sections..

The Martian Race is scheduled for 21 June 2026 at Horsell Common, Woking, Surrey. The event is organised entirely by volunteers and proceeds are distributed to local charities selected by the Woking Lions. The 2025 event raised over £20,000 for local charities. The race is in its seventh year and t..

Dunstable Downs Half Marathon is a scenic trail race set in the National Trust’s Dunstable Downs estate. In its sixth edition (2026), the 21.2km course with about 450m of ascent mixes ridge views, fast descents and climbs. The route begins at the National Trust Countryside Centre, visits Tree Cathed..

UTMB Index

Run Sandringham 10K & 5K, staged by Good Running Events, welcomes hundreds to Sandringham Estate in Norfolk for a dual-distance race. On Sunday 21 June 2026, runners start and finish inside the estate, with routes offering countryside and views of the Royal House. The course combines trails (about 3..

The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

UTMB Index

The Fountains 10K, held in Grantley near Ripon in North Yorkshire, is a mixed-terrain 10-kilometre race organized by Friends of Fountains & Grewelthorpe School PTAs. The undulating course blends quiet country lanes, off-road trails and Nidderdale moorland, featuring the celebratory “Puddle” and the..

The Summer Solstice Challenge - Colchester will take place in Colchester on Sunday 21 June 2026.