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 1335 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.

Run scenic, undulating trails around Carsington Water with a half marathon or 10k option, each kilometre marked and marshals on course. Enjoy a themed medal, post race goodies and a lively event village for a festival finish.

Family friendly runs through the scenic fields and trails of Scorrier House, with 2.5k, 5k, 10k and half marathon options plus a 5 hour SCORRIERGEDDON challenge. Relax in the race village with music, food and bar; no pressure and no cut off..

Kirkstall Rock Up n' Run is a lively summer pop up along the Leeds and Liverpool Canal offering 5k and 10k routes for all abilities. Enjoy entries on the day, a jumble medal and hot food with a beer or soft drink.

Take part in the Eyemouth Twilight 5K on 28 August 2026, a chip timed certified seaside run with Scott's Mini Fun Runs for kids. All finishers receive medals, a goodie bag and a Giacopazzi's gelato.

Enjoy scenic trail laps around Wimbleball Lake on off road routes with water views and a friendly festival atmosphere. Choose 5K or 10K courses with run and canicross options, finisher medals and pro timing.

Join an early evening 8 mile or 4 mile trail run through the picturesque grounds of Newnham Park in Plympton on 28 August 2026. Canicross runners welcome and proceeds will support Bowel Cancer West.

Explore the Yorkshire Dales with the Punk Panther Dales Dazzler, a trail event from Skipton offering distances from 13 to 50 miles through iconic scenery like Malham Tarn and Grassington. Expect challenging climbs, staffed checkpoints with..

UTMB Index

Tackle scenic Cambrian Way into Cardiff with two point to point ultras of 33 or 44 miles through woodlands and fells to a finish near Castell Coch. Organised by Ridge Runners, the community event offers aid stations and food.

Epic 130 mile point to point along the Leeds and Liverpool Canal from Liverpool to Leeds on 29 August 2026. Run scenic towpaths past Burnley Embankment and the Bingley Five Rise with crew support allowed and a 40 hour limit.

The 2 Islands Half Marathon returns in 2026 alongside the Berneray 10K. Tackle one or both races and soak up the stunning island scenery and friendly community atmosphere.

Run the Highland Fling Ultramarathon: a scenic point to point 53 mile (85 km) trail from Milngavie to Tyndrum through Loch Lomond and the Trossachs. Live chip timing, luggage transfer and a festive finish await.

Join a seven hour timed event on a scenic trail along the River Wear with glorious views of Durham Cathedral; run or walk as many laps as you like from 3 km up to ultra distances. Limited to 300 entries with a friendly festival vibe.

Join the Nottingham Running Festival at Colwick Park for fast, flat lakeside and racecourse routes with a half marathon, 10K, 5K and junior race. Enjoy chip timed results, themed medals, free photos and an event village while supporting Not..

Tackle a scenic trail 10K or half marathon through Alexandra Gardens with distant views of Windsor Castle. Chip timed results, free race photos and a lively event village make this a great day out for runners and supporters.

Join the Plum 10k on 30 August 2026 in Pershore, Worcestershire, hosted by Pershore Plum Plodders. Enjoy a scenic 10 km through local countryside with friendly club support and a welcoming atmosphere for runners of all abilities.

Muntjac 15 links five woodlands via hilly single track and forest paths for a scenic but testing trail run. Join fellow runners on 30 August 2026 for a memorable off road challenge.

Enjoy a scenic trail marathon and half at Woldingham School with rolling valley and North Downs views on a 13.1 mile loop. Perfect for runners who love woods, ridge paths and rewarding post race treats.

Take on the stunning North York Moors at the Hardmoors 26.2 Roseberry Trail Races in Guisborough, offering marathon, half and 10k trail options. Expect steep climbs, self navigate routes and a pure off road test of endurance and navigation.

Take on the GNR Time Turner 7 hour challenge in Durham and run as many laps as you like on a scenic riverside loop with views of the Cathedral. Walkers welcome and finishers receive themed medals, goody bags and vegan options.

Take on the Steam Challenge in Bridestowe on 30 August 2026 for a scenic out and back on an old rail line, run or walk 5.3 km laps and complete as many as you can within the event time limits. Places are limited to 70 entrants and medals aw..