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 1283 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.

Malham Charity Relays on 27 September 2026 is a friendly, all ages relay with mixed teams formed on the day. A punchy 1.1 km loop up Cawden Hill and back to the Lister Arms, entry £3 with all proceeds to charity.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

Explore Dalkeith Country Park on 27 September 2026 for the Wild Deer Scottish Festival Trail Runs, offering distances from a family mile to a 32.5 mile ultra and welcoming Canicross. Finishers get a medal, event merch and live chip timing.

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

Experience Cranborne Chase from Salisbury Racecourse on scenic undulating trails. Choose marathon, half marathon or 10k along ancient droves and woodland tracks, with parking, showers and a medal for every finisher.

October 2026

Explore wild Dartmoor on 2 and 3 October 2026 with OuterEdge Events: a 100 miles Full Circle and a 51 miles Granite 50. Rugged moorland, woodlands and riverside trails with manned checkpoints, tracking and full support.

UTMB Index

The Charm Bracelet is a scenic ultramarathon with 50 and 100 mile options finishing in Skinningrove. Enjoy moorland and coastal trails along the Pennine Way with checkpoint support, GPS tracking and a finisher medal.

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the..

Run to the Sea Bournemouth on 3 October 2026 is a point to point 50 km ultra from Moors Valley to Hengistbury Head, pairing flat scenic forest trails with seafront running. Course is fully signed with feed stations, a finish medal and event..

Tackle Dartmoor on this supported trail challenge through moorland, woods and riverside trails with 100 miles or 51 miles options. Checkpoints, on course support and epic scenery make it a must for experienced trail runners.

UTMB Index

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Run beneath starry skies on the South Downs at The Dark Downs, a dusk to night trail event from Plumpton Racecourse near Lewes. Choose a 50k or half marathon on rolling, runnable trails with reflective signage and friendly aid stations.

A challenging 10 km uphill only race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with sweeping hilltop views. Open to walkers and hill runners, it pairs a tough ascent with a memorable mountain finish.

Run to the Sea Bournemouth is a scenic 50 km point to point ultramarathon that threads forest trails and coastal paths to a seafront finish at Hengistbury Head. Enjoy a fully signed route, regular feed stations and a bespoke medal on 3 Oct..

UTMB Index

Rowbotham's Round Rotherham is a classic autumn trail from Manvers Waterfront offering 80 km and 50 mile options in early October. Expect undulating terrain and varied underfoot from towpaths to muddy woodland, with relay teams welcome.

Event details The East Coast "Chuffer" is an off-road running event based at Peasholm Park, Scarborough (N Bay Promenade, YO12 7TR; What3Words ///unions.awards.lists). The route follows the old railway line known as the Cinder Tra..

Wild Run Cotswolds at Cornbury Park near Charlbury offers scenic, rolling trail loops from 10K to marathon plus a 360 timed challenge. Family friendly with a supporter zone, marked routes and regular aid stations.

Experience The Drop in Manchester: blindfolded participants are driven to a secret drop off and must navigate back on foot over 10 or 15 miles as the crow flies. No GPS allowed, live tracking keeps it safe and competitive.