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 1338 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.

Race on the Chase is an annual trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10K distances, all featuring undulating downland terrain along ancient droves, grassy fi..

The Delamere Forest Wildwood Trail Series offers a scenic and challenging trail running event in Cheshire, featuring a Half Marathon and 10K race. Set within the picturesque Delamere Forest, the course includes dense woodlands, rolling trails, steep climbs, and muddy sections, providing a rewarding..

The Pumpkin Run Colchester is an autumn-themed running event held at Foxes Farm in Colchester. It offers multiple race distances including a 10K, 5K, family-friendly 1K, and a doggy run, catering to runners of all ages and abilities. The course loops around scenic fields, a pumpkin patch, and a corn..

The North Downs Way Ultra Run is a 30-mile trail running event starting and finishing at St Martha's Hill in Guildford, Surrey. It showcases some of the best sections of the North Downs Way and surrounding Surrey Hills, including the famous Box Hill and Denbies Wine Estate. Designed as an ideal intr..

The Wild Deer Scottish Trail Runs at Dalkeith Country Park offer a scenic trail running event just a few miles from Edinburgh. Set within a historic 1000-acre estate, the event features multiple distances: 5km, 10km, half marathon (two laps), marathon (four laps), and an ultra marathon of 32.5 miles..

The Nettlestone Road and Trail (RAT) Race is an annual running event held at Nettlestone Primary School in Seaview. The 2025 edition offers participants a choice between a 5-mile or 5km route, both featuring off-road sections and scenic runs along the Seaview seafront with views of the Solent. The c..

The ZigZag Wensum Way Trail is a scenic trail running event held near Billingford Lakes, Norfolk (postcode NR20 4RG). Offering multiple distances including 10k, half marathon, marathon, and ultra, the course features a varied terrain of tarmac paths, grasslands, and rugged trails, ideal for runners..

The TriWorks Floors Castle Trail Race, held on September 28, 2025, takes place in the scenic Scottish Borders at Floors Castle, Scotland's largest inhabited castle. The event offers three trail running distances: a 10km race (two laps of a 5km course), a 5km race (one lap), and a Junior 3km race for..

The Petzl Night Trails 10K at Coombe Abbey Park in Coventry is a unique evening trail running event set in a scenic park featuring woodland, meadows, and grass fields. Participants run a 10-kilometer undulating course with natural obstacles like tree roots and gates, requiring a head or chest torch..

The Kingfisher Challenge is a 6-hour trail running event held at Coombe Abbey Park, Coventry. The course features mature woodland, waterways, and open grassland, offering a scenic and mostly flat 3.3-mile loop primarily on stone pathways with some meadow sections. Participants can run as many laps a..

October 2025

The Charm Bracelet 100 is a challenging 104-mile ultra marathon held in Dufton, Cumbria, UK, following some of the finest national trails including the Pennine Way, Teesdale Way, King Charles III coastal path, and the Cleveland Way. The route features over 6,000 feet of elevation, mostly downhill, a..

The North Coast 110 is a challenging ultra marathon event held along the true North Coast of the South West peninsula in England, featuring four distance options: 110 miles, 110 km, 65 km, and 55 km. The race follows the scenic South West Coast Path, with routes showcasing dramatic coastal views, in..

UTMB Index

The Exmoor Coast 55 is a 55 km ultra marathon held along the South West Coast Path, starting at Combe Martin and finishing in Minehead. This scenic route traverses the entire length of Exmoor National Park, featuring England's longest stretch of coastal woodland, the highest coastal point at Culbone..

The Atlantic Coast Challenge, organized by Votwo, is a three-day endurance event taking place along the stunning South West Coast Path in Cornwall. Celebrating its 20th year, participants can choose to walk, run, or crawl a total of up to 78.6 miles, covering approximately three marathons over the c..

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Round Ripon Ultra and Relay is a challenging 35-mile running event held in North Yorkshire, starting and finishing at Studley Roger Village Hall. The course follows the northern section of the Ripon Rowel, traversing diverse terrain including trails, woodland, and moorland within the Nidderdale..

The Round Rotherham Run - Solo is an 80 km (50 miles) international trail running event organized by Rotherham Harriers and Athletics Club in South Yorkshire, UK. The undulating course features approximately 800 meters of climb through rural areas designated as the South Yorkshire Forest. Starting a..

The Guided 50k Ultramarathon in New Alresford, Hampshire, offers participants a scenic running experience through beautiful trails, including sections of the Watercress Way and Oxdrove Way. This event is designed for those who have completed at least a 20-mile run in the past year and will be conduc..

The Manchester Backyard Ultra is a unique endurance running event held at Giants Seat Scout Camp in Manchester, UK. Participants run a four-mile loop every hour on the hour, testing their limits in a challenging and supportive atmosphere. The event emphasizes community and personal endurance, inviti..