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 1442 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.

The Wild Run in the Cotswolds is a trail running event set in the scenic, secluded forests of Wychwood at Cornbury Park in Oxfordshire. Participants can choose from various race distances, including 10K, Half Marathon, Marathon, and a 6-hour challenge called the 360. The course features fully marked..

The Harbour Wallbanger is an exciting running event scheduled for 2025, starting on the beach at Broadstairs during low tide and extending to Ramsgate, where participants will "bang the Harbour Wall" before returning. This unique coastal route is designed for both beginners and experienced runners,..

"Something to Talk About" is a 7-hour trail running event set in the scenic New Forest at Avon Tyrrell Outdoor Activity Centre. Participants can choose their own distance, from 5K to ultra-marathon, with looped routes of 3.28 miles through beautiful forest surroundings. The event offers flexible sta..

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 with historic ancient tracks, g..

The 2025 Grantchester Charity Runs are volunteer-organized events supporting Maggie’s Centre Cambridge and the Addenbrooke’s Charitable Trust. Taking place on September 28th, the runs include a 10k and a 3k course through scenic farmland near Grantchester, Cambridge, with flat, mixed terrain and no..

Steeple Barton Chase is an annual fun run held at Barton Abbey in Oxfordshire, designed to raise funds for the Steeple Barton church. The event features a variety of running options, including a main 10K run, a 5K run for those seeking a shorter challenge, and a 1K Family Fun Run that encourages par..

Run Sandringham is a popular running event held at the Royal Estate in Sandringham, West Norfolk, featuring a Half Marathon and a Community Mile. Scheduled for 28th September 2025, the Half Marathon covers 13.1 miles on a scenic course that winds through the estate’s trails and closed, traffic-free..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..

The Delamere Forest Wildwood Trail Series features scenic trail runs, including a Half Marathon and 10K, set in the picturesque Delamere Forest in Cheshire. Scheduled for September 28, 2025, the event offers challenging courses through dense woodlands, with technical trails, steep climbs, and muddy..

The North Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the North Downs Way, starting and finishing at St Martha's Hill in Guildford, Surrey. This run is designed for both seasoned and first-time ultra runners, offering a guided experience through picturesque..

The Pumpkin Run Colchester, held at Foxes Farm, offers a festive autumnal running event with distances of 10K, 5K, and a family-friendly 1K suitable for all ages and abilities. The course loops around fields, a pumpkin patch, and a corn maze on mostly flat, traffic-free tracks, ideal for achieving a..

The Stuart Learmouth Undulator Fell Race is a challenging 13.7 km (8.5 miles) event held in the scenic Peak District, organized by the Wirksworth Running Club. This classic BM fell race features a diverse mix of terrains, including fells, trails, and lanes, with a total ascent of 457 meters (1500 fe..

Wild Deer Scottish Trail Runs 2025 at Dalkeith Country Park offers a variety of trail running distances, including 5km, 10km, half marathon, marathon, and ultra-distance (32.5 miles). The event takes place in a historic 1000-acre estate near Edinburgh, featuring mixed terrain such as trails, paths,..

The Kingfisher Challenge is a unique trail running event held at Coombe Abbey Park, offering participants the flexibility to run as many 5k laps as they wish within a 6-hour time limit. This event caters to all abilities, allowing runners to choose their distance, from a casual lap to over 50 miles...

The Petzl Night Trails 10K at Coombe Abbey is an exciting running event set in the scenic Coombe Abbey Park in Coventry. Participants will experience a unique night-time trail run, showcasing the beauty of the park under the stars. This event is designed for runners of all levels, offering a thrilli..

October 2025

The North Coast 110 is an ultra marathon event taking place from October 3 to 4, 2025, featuring four challenging distances: 110 miles, 110 km, 65 km, and 55 km. Participants will navigate the stunning North Coast of the South West peninsula, with the 110-mile route boasting nearly 6,000 meters of e..

UTMB Index

The Exmoor Coast 55 is a challenging ultra marathon event that takes participants on a scenic journey along the South West Coast Path, starting from Combe Martin and finishing in Minehead. Covering a distance of 55 kilometers, this race showcases the stunning landscapes of Exmoor National Park, incl..

The CBTE Charm Bracelet 100 is a challenging long-distance ultra marathon set against the stunning backdrop of the UK's national trails. Taking place in Dufton, participants will traverse a 104-mile route that includes the Pennine Way, Teesdale Way, and Cleveland Way, featuring over 6000 feet of ele..

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 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..