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 1754 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.

A lively fell race on Coombe Hill near Wendover on 7 June 2026, tackling 7 km with 220 m of climb and rewarding hilltop views. Entry on the day, modest fees and a pint included make this a friendly, competitive outing for juniors and teams.

Classic Lake District fell race from Howtown Bobbin Mill, testing runners over 13.3 miles with about 1400 m of climb across rugged terrain. Entry is on the day for £8 and limited to 100 starters so arrive early.

Take on the Passing Clouds fell race in the Peak District on Sun 7 Jun 2026, a scenic but testing 15.7 km trail with 565 m of climb around Tittesworth Reservoir. Entry on the day from £9 for members, parking charges apply.

Discover the inaugural Alice Holt Wild Trail Runs in Surrey on 7 June 2026, with 10 km and half marathon options across scenic forest trails. All finishers receive a medal, Wild Deer merchandise and a post race snack and drink.

Run the West Highland Way over three days with a small guided group, covering about 96 miles of iconic Scottish scenery from Loch Lomond to Ben Nevis. A coached non race ultra with pro guidance, small groups and epic mountain and loch views..

Join the Calton Crawl on Tue 9 Jun 2026 in the Peak District for an energetic 8.5 km trail run with 244 m of climb, offering great views and a proper challenge. Friendly village hall base and day entries welcome for a low cost event.

Tackle the Coppice fell race in Accrington on Tue 9 Jun 2026, a spirited 6.6 km course with 310 m of climb starting from the Whitakers Arms. Day entry only means it is ideal for last minute plans and teams are welcome.

Enjoy an evening trail run through the historic 500 acre Wentworth Castle Gardens with choice of 5 km or 10 km routes across parkland and woodland. Canicross friendly with live chip timing and a finisher medal included.

Join Chase The Sun at Clapham Common on 10 June 2026 for an evening 5K or 10K on a flat, scenic park course past the bandstand. Expect chip timing, free photos and a unique themed medal to celebrate your finish.

Tackle the Boar's Head fell race in the Peak District on Wed 10 Jun 2026. This BM 8 mile course climbs 402 m from the Boar's Head Hotel, welcomes teams and on the day entries for £5; entrants must be 18 or older.

Tackle the Walsh Two Lads fell race in Horwich on Thu 11 Jun 2026, a lively 5.2 mile loop through the South Pennines with roughly 900 feet of climb. Expect rugged trails, friendly competition and a cash prize for any new course record.

Nene Valley Trail Run on 13 June 2026 invites runners to explore rolling Northamptonshire countryside from Castle Farm Campsite. Choose 10 or 20 miles of fully marked trails through bluebell woods, riverside paths and quiet villages.

Join the Gnosall 10K for a challenging 11.2 km undulating multi terrain route along canal towpath, woodland and boardwalk, with chip timing and a technical tee for all finishers. Bring the family for a fun run with medals, bouncy castle and..

Tackle 15 miles of the historic Offa's Dyke path around Hay on Wye in a scenic and challenging trail race. Friendly atmosphere and relay option make it perfect for solo runners or teams seeking a memorable summer run.

Coastal loop at Mount Edgcumbe on 13 June 2026 with 10.5 km laps for 10K, half and full marathon plus canicross and kids races. Camping on site and a short Cremyll ferry links to Plymouth.

Tackle 100 miles of rolling chalk ridgeline in the iconic South Downs Way 100 on 13 June 2026, starting at Matterley Bowl. Fully marked route, stunning coastal and countryside views, and full aid support make this a classic ultra challenge.

Tackle the scenic South Downs Way 50 km on 13 June 2026, a fully supported trail across the chalk ridge. Part of the World Trail Majors Short Series, it features four aid stations and a 9 hour cut off.

Run or walk the Cotswold Way Ultra in Cirencester on 13 and 14 June 2026. Routes from 10 km to 100 km take you through rolling Cotswold hills with camping, waymarked trails and regular support stations.

UTMB Index

Take on the epic guided Welsh 3000s Ultra Run in Snowdonia, crossing 15 peaks over roughly 30 miles with 4,000 m of ascent. This non competitive, fully supported mountain challenge includes guides, transport and food stations.

Explore Ullswater from Pooley Bridge on Saturday 13 June 2026 with a half marathon or 10km trail, live chip timing and bespoke finisher medals. Well behaved dogs welcome with harness and lead.