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 2282 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.

A 63 miles coastal trail race along the Cleveland Way from Guisborough to Filey, with 18 hours to complete, mandatory kit checks, supplied trackers and manned checkpoints offering water and food at selected points.

Triple Trail Races on 19 September 2026 at Loddington Farm offers 25 km, 50 km and 100 km routes across Kent's North Downs Way, Greensand Way and Weald Way, with on site race village, camping, food vendors and recovery facilities.

A Backyard Ultra at West Shields Farm where runners complete a 4.1 mile loop on the hour until one remains. The route mixes farmland, single track and woodland with food stations, tracking and on-site medical cover.

A trail event around Grasmere in the Lake District offering five routes from 9 km to 52 km across rugged fells, technical descents and mountain summits. Outposts, mandatory safety kit and a plastic free policy are enforced.

Classic fell race in Kettlewell, Yorkshire Dales: 4 mile route with 475 m climb over rugged upland terrain. Open to 16+ with pre entry or entry on the day, teams welcome and free parking for entrants.

Take on the scenic Bollington 3 Peaks fell race in the Peak District on Sat 19 Sep 2026, a 9 km course with 370 m climb. Pre entry only, entry includes food and a pint from Bolly Brewery.

Teams of four combine two road laps with two fell legs around Uppermill and Saddleworth Moor, covering roughly 3 miles and 2.5 miles per leg. Entries open 28 January 2026 and the entry fee is £20 per team.

A 15.6 km route with 870 m of ascent across flagged forest tracks and open fell visiting five checkpoints, raising funds for Thornthwaite Church. Entry fee includes tea and homemade cake and limited parking is available.

A community event tracing the River Exe from Exmouth to Dulverton, offering a 43 mile ultra and a non-competitive relay in shorter sections. The run raises awareness of the Exe salmon’s decline and includes local music and ceremonial moment..

A 47 km mountain trail across the Mamores linking five Munros with 3,100 m ascent, fully waymarked and marshalled. The event includes GPS tracking, a main aid station at 31 km, mandatory kit requirements and a 14 hour time limit.

Trail and ruck run event at Cannock Chase Forest on 19 September 2026 offering 5 km and 10 km ruck runs with weighted packs and a solo challenge. Live chip timing, merchandise for finishers and prizes for top competitors.

A coastal trail marathon and half marathon finishing in Morston on mainly off road paths, with limited entries and a donation to the East Anglian Air Ambulance. Timing, checkpoints and first aid are provided along the route.

A 23 mile trail race on the Quantock Hills where runners compete against horses, plus a Pegasus Challenge four person relay. The event is in Over Stowey on 19 September 2026 with free parking and an age limit of 14 and over.

A trail half marathon at Lakeland Maze Farm Park on Saturday 19th September 2026, finishing through the maze. Chip timing, aid stations, on-site parking and a cafe. Entry requires participants to be 18 or older and costs £35.

A varied-terrain 10 km race in Arrochar, Argyll on 19 Sep 2026 with chip timing, a finisher medal, and prize categories including local and veteran awards. The route mixes forestry roads, woodland paths and a lakeside pavement with views of..

Ras Pedol Peris is a Classic AL Welsh fell race in Llanberis on 19 September 2026, offering full 28 km and half 14 km routes that visit several Eryri summits including Snowdon. Entries run from 8 April to 17 September 2026.

MacTuffX Watford on 19 September 2026 pairs ten Xercises with repeated 400 m or 800 m runs at Woodside Stadium. Entries are available for solo competitors, doubles teams and relay teams, with a LITE weight division and published entry fees.

Fan Brycheiniog is a 15.5 km mountain race in Glyntawe with 840 m of climb. The course runs over rough tracks and open fell and requires navigation and competent mountain skills.

Run Wytham Woods offers a 5K, 10K and one mile family run through Wytham Great Wood, with uphill and downhill sections and views towards Oxford. The event is organised by the Eynsham community and will return in 2027.

A scenic trail running event at Hambledon Vineyard offering races from 1 km to 20 km, chip timed with trophies and fundraising for Brain Tumour Research and Hambledon Primary School.

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