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 1788 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.

Join Rowbotham's Round Rotherham for challenging trail distances of 80 km and 50 miles across the rolling South Yorkshire Forest around Manvers Waterfront. Enjoy varied terrain, stage options and a friendly relay atmosphere in autumn.

Take on the Salt Settlers Six Hour Race in Budleigh Salterton, completing as many scenic 4.4 km loops as you can around the Lower Otter valley. Open to runners and walkers with solo or pairs entries and on site aid, cafe and showers.

Take on East Devon's coast and commons in a self navigation trail challenge from Budleigh Salterton. Half, marathon or ultra options for solo runners or pairs with GPS tracking and on site facilities.

Join the Hoby Hop Trail Race 10th anniversary for a chip timed five mile cross country or Canicross through the scenic Upper Wreake valley. Undulating fields, stiles and brook crossings with village hall race HQ for entries and facilities.

The Buzzard's Roost on Saturday 3 October 2026 in County Down is a fierce mountain run of 11.90 km with 870 m of climb, ideal for strong fell runners. Part of Ulster Championship, it has strict safety kit rules and limited course markings.

Join the East Coast Chuffer on 4 October 2026 in Scarborough for trail running along the historic Cinder Track with coastal views and woodland sections. Choose distances from 5K to marathon and earn a Grim Bling finisher medal.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Sibelco Templer Ten on 4 Oct 2026 at Stover School is a scenic 10 mile multi terrain run about 90 percent off road through Stover Country Park. Entries are capped at 325 and often sell out, with medals for all finishers.

The Fort 20 is a scenic 20 mile loop trail race starting and finishing within the walls of Landguard Fort in Felixstowe on 4 October 2026. Expect coastal views, estuary crossings and a well marked route with support stations to fuel you.

Run the Thames Meander Autumn on 4 October 2026 along flat, runnable out and back routes on the Thames Path. Choose 10 km, half or full marathon, with marshals, stocked aid stations and pro medical cover.

Castle C’alf in Hebden Bridge is a scenic 12 km fell race on Sun 4 Oct 2026 with about 490 m of climb across flagged moorland and private estate terrain. Pre entry opens mid September, places are limited and FRA mandatory kit is required.

A classic Peak District cross country since 1953, the Dovedale Dash winds through Dove and Manifold valleys and crosses the famous stepping stones. A family friendly mini dash and charity proceeds make it a lively local event.

Join the Harkerside Hustle half marathon on 4 October 2026, starting and finishing at The Dales Bike Centre in Reeth. Enjoy sweeping Swaledale moors, varied trails and hearty aid stations with vegan options for a rewarding countryside run.

Run a scenic and rugged half marathon through the Quantock Hills, featuring rolling climbs, forest trails and open moorland. Enjoy on course support, a finishers medal and a festival vibe with camping, pizza and nearby pubs.

Tackle the scenic DalesRunner 40 on 4 October 2026 from The Dales Bike Centre in Reeth, a 40 mile route across Swaledale moorland and historic sites. Fully marked course with trackers, stocked aid stations and a hot post race soup and roll.

Runaway Racing's Wild Run Oxford invites runners to tackle 10K and half marathon routes across scenic smooth and rugged trails around the city. Start and finish sit close to the city centre for easy access and a lively atmosphere.

Run the Cawston Trail Race, a 5 mile off road charity route through scenic Cawston Park to support Norfolk Lowland Search and Rescue. Forest trails, chip timing, prizes for podium finishers and a finisher memento with on site refreshments.

The Marlow Donkey on 4 October 2026 is a scenic LDWA challenge from Liston Hall offering 25 km, 40 km and 50 km routes around Hambleden and Bix. Staffed checkpoints, a simple finish meal, timed e certificates and a free badge await.

Run under torchlight around Swinsty and Fewston reservoirs with 5 km, 10 km or half marathon options, rewarding climbs and a medal for every finisher. Friendly small field with on site water, toilets and a cozy autumn vibe.

Take on the Curvy Cuerden Challenge, a six hour timed trail at Cuerden Valley on a scenic undulating 5 km loop. Run as many laps as you like and earn a bespoke finisher medal with marshals and an aid station on course.