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 1312 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.

Tackle the Hebden Fell Race on Monday 31 August 2026 at Powder House Field for a sharp 1.5 mile challenge with roughly 400 feet of climb. Expect a steep ascent, topside running and a testing uphill finish through walls and streams.

A short, steep fell race at the Reeth Show, taking runners across fields up to Fremington Edge and back through quarry workings to finish on the showfield. Competitive and family friendly with junior and senior categories for all ages.

September 2026

Tackle Derbyshire terrain at the Eyam Fell Race, a testing 10 km route up Sir William Hill and across Abney Moor before a steep wooded return to the village. Enjoy post race BBQ, bar and prizes from the Barrel Inn.

Challenge yourself on the classic Muker Show Fell Race in the Yorkshire fells on Wednesday 2 September 2026. A short but brutal route plunges through the river then climbs to Fremington Edge for a thrilling, punchy finish.

Chase the sunset across Ickworth Park's limestone paths, woodland and meadows in a scenic 5 km or 10 km trail run. Finishers receive medals and top three men and women take home trophies in this atmospheric evening event.

Take on the stunning coastal challenge of the Ring O' Fire Race Series on Anglesey, with the epic Ring O' Fire 130, a new relay format and the Firelighter 50. Entries are open and race services cover maps, checkpoints and bag transfer for a..

Run along the Thames at the Henley River Half Marathon, 10K and Junior Race starting and finishing at Temple Island Meadows. Enjoy a scenic mixed terrain course, themed medal, free photos and an event village with food and charity options.

Enjoy a scenic 10 km trail around Malham, passing Malham Cove and Malham Tarn, with a big climb to Weets Top and a long descent to the finish. Entries include a post race meal, a bottle of beer and event goodies for a festive finish.

Join a guided 30 mile trail along the scenic Jurassic Coast from Studland Bay to Old Harry Rocks. This non competitive ultra is led by an experienced coach and suits well trained runners ready for big climbs.

Run a scenic 30 mile ultra around the Rhymney Valley Ridgeway in South East Wales, with ridge top views, trails and woodland. Staffed checkpoints, no time limits and post race care make this a welcoming challenge.

Its Grim Up North Running presents Hip Hip Hooray it's Hornsea, a seaside trail event in Hornsea, East Yorkshire along the Trans Pennine Trail. The race offers multiple distances—5k, 10k, 10-mile, 20-mile, half marathon, and marathon (two h..

Event overview Heights Ultra Trail is a charity running festival based at Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SP. The event offers four marked races: 50 Mile 50 KM 27 KM 10 KM The event raises funds for..

Run the South Downs Way from Eastbourne to Arundel, via Beachy Head, the Seven Sisters and Devil's Dyke for stunning coastal and downland views. Choose a continuous 100 km or a two day option with full support and camping.

Classic Peak District fell races from Hayfield Scout Hut offering a tough 24.5 km and a shorter 15.5 km option. Routes are mostly unmarked so runners must navigate and carry compulsory kit; entries accepted in advance or on the day.

Tackle the epic 102 mile Yr Wyddfa Snowdon Ultra, a self navigation race through Snowdonia on 5 September 2026 with a 42 hour limit. Mountain experience and solid map skills are required for this tough, remote challenge.

Tackle a 45 mile mountain ultramarathon in Snowdonia, summiting Yr Wyddfa and crossing iconic peaks for spectacular but demanding terrain. Limited to 500 entrants, this scenic challenge rewards grit and mountain skill.

Tackle Dartmoor in a Day on 5 September 2026, a fully supported off road challenge across wild moorland with 50 km Ultra and 30 km Challenge options. Checkpoints, mobile marshals and a finishers memento make this a memorable day.

Join the 50th Bullock Smithy Hike in Hazel Grove on 5 to 6 September 2026. This classic circular 56 miles challenge welcomes hikers and ultra runners for a scenic, rewarding weekend.

Run a scenic half marathon in the heart of the Yorkshire Dales, winding past Malham Cove and Malham Tarn and climbing to Weets Top before a long descent with sweeping views. Part of the Due North Trail Trilogy, it pairs stunning scenery wit..

Tackle the wild Shropshire Hills at Carding Mill Valley with scenic 13.1 mile and 26.2 mile trail races through the Long Mynd. Well marked routes, aid stations and marshals make this a classic, challenging day out for trail runners.