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 1323 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 a guided 13 mile trail run around Guildford's Surrey Hills, visiting St Martha's Hill, Shere and the North Downs Way. Enjoy a friendly group pace, kit support and optional post run refreshments.

Event overview The St Andrews Day Challenge is a timed trail event on 30 November 2025. Participants choose between a 6-hour or a 4-hour timed option and run as many laps of the circuit as they can within their chosen time. The course uses..

Take on winter trails through Dalby Forest with 10km, half marathon and marathon options that wind through towering trees and moorland. Canicross friendly, with a bespoke medal, post race snacks and a welcoming atmosphere.

Gather a team of four for the Lee Mill Relays at Lee Mill Quarry in Rossendale, where each runner tackles a challenging 10.7 km loop over rugged terrain. Expect wintery conditions and strict kit checks, so come prepared.

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on Sunday, 30th November 2025. This 7-hour timed event features an accurately measured 5.3 km out-and-back course on a scenic,..

Tackle 26.3 miles around Colworth Estate with five scenic laps of gently undulating trail and lanes, including woodland paths and narrow sections. Friendly club facilities, cup free so bring your own bottle, 30 November in Sharnbrook.

Explore Afan Forest on hand picked trails with 5K and 10K options at the RTT Afan Forest run. Fully marked and marshalled courses, chip timing and a finisher medal make this a rewarding, well organised trail day for all abilities.

Take on the Winter Bumble Bimble 5 mile trail run from the Park Gate Inn in Bromsgrove on Sunday 30 November 2025. Entries are limited to 300 and all finishers get a medal as you tackle woodland, rolling fields and muddy scenic trails.

Join the Marton Mile on Sunday 30 November 2025 for a relaxed one mile walk jog or run along the flat traffic free Lias Line Greenway near Marton. This family and dog friendly community fundraiser supports Shelter and welcomes all paces wit..

Run a scenic, traffic free 6.5 mile (about 10K) lap of Croome Park with a big hill to start and finish. Trail shoes are recommended and all finishers receive medals and goody bags.

Light up the trails at Haldon Forest in this Halloween twilight headtorch run through spooky woodland routes. Fancy dress is encouraged, zombies patrol the course and distances from 2.5 to 10 km include a canicross option.

Choose your distance on the day at Running Tribe Races in Chalfont St Peter, running scenic looped trails through woods. Drop bags, an aid station with vegan options, pacers and medical cover make it welcoming for trail and road runners.

December 2025

Night orienteering in Brockenhurst: a 60 minute score event in the New Forest. Visit as many controls as you can for points using SIAC timing and waterproof maps, and bring high visibility clothing and lights for after dark navigation.

Choose from 50 km, 55 miles or 100 miles on scenic South Downs trails starting and finishing in Eastbourne. Enjoy runnable grass tracks, farm and woodland paths and be ready for variable winter weather from crisp sun to wind, rain or snow.

UTMB Index

Scenic trail runs from Plumpton Racecourse across the South Downs with ridge top views to the sea. Choose 9, 12 or 22 km with chip timing, water stations and a finishers medal; plastic free event so bring a reusable cup.

The Drop Kendal drops solo runners or teams at an unknown location blindfolded and challenges them to find their way back to base in Kendal. Choose 10 or 15 mile routes for a map free test of navigation and stamina.

Race The Light is a scenic trail run at Mothecombe on the River Erme estuary, offering classic and half marathon routes with estuary crossings and coastal path views. A head torch is required and every finisher earns a bespoke medal.

Join the Crag Fell Handicap in Ennerdale on 6 December. This scenic 2.5 mile out and back to the summit features staggered handicap starts for a friendly, competitive fell run.

Take on the Jurassic Coast from Swanage on 6 Dec 2025 with distances from a coastal 10K to a full marathon or ultra. Rugged trails, big climbs and fully marked timed courses promise a scenic and satisfying challenge.

UTMB Index

Experience 11 miles of Cornish trails on the Fordh Sen Mighal point to point race from Lelant to Marazion, passing Trencrom and Ludgvan. Coastal scenery and varied terrain make this a memorable winter trail challenge.