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 1363 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.

Take on Lakes Traverse 2026, a stunning 100 km ultra across the Lake District from St Bees seafront to Shap on 28 to 29 March 2026. Expect rugged fells, dramatic lakes and classic coast to coast scenery in a true endurance challenge.

DalesRunner 20 invites trail runners to tackle the rugged Yorkshire Dales around Reeth and Arkengarthdale Moor. Expect very hilly, technical single track with steep climbs and wild descents on a fully marked route. Entries are limited.

Beyond Bristol offers scenic 25 km and 55 km trail routes from Museum Square. Race under the Clifton Suspension Bridge, through Leigh Woods and along riverside and railway paths, with feed stations and a finisher medal.

Run scenic off road trails through Escot Park near Ottery St Mary with short climbs and some muddy sections. Choose a 10K or a two lap half marathon with canicross categories for dog and handler teams.

Join a guided recce of the Glyders between Llanberis and the Ogwen Valley, covering 15 km with 1,830 m of ascent in Snowdonia. Small groups led by qualified, experienced runners set out from Capel Curig for a rewarding mountain day.

Tackle 11 km of steep climbs and technical descents across Reeth and Arkengarthdale Moor at the Fremington Frenzy on 28 March 2026. Expect rugged single track, stunning moorland views and friendly post race cakes and coffee.

Run Wainwrights coast to coast across the North York Moors in the Moors Traverse, about 80 km with 1,600 m of climb finishing at Robin Hoods Bay. Self sufficient runners get staffed checkpoints, maps and a transported drop bag.

Join a guided recce of the Paddy Buckley Carneddau leg from Ogwen Valley to Capel Curig on Sunday 29 March 2026, tackling 16 km and 1,245 m of ascent. Run in small groups led by experienced mountain leaders who completed Paddy Buckley Round..

Join a 7 hour timed running challenge along the River Wear with stunning views of Durham Cathedral. Choose distances from short laps to marathon and ultra, enjoy aid stations, vegan options and a goody bag at the finish.

Take on the Feighan Fury 10 mile trail around Devon estates with steep hills, woods and river crossings, or join the family friendly Templeton 5 km fun run. Event at Templeton Village Hall on 29 March 2026.

Spring Blickling Half Marathon on 29 Mar 2026 starts and finishes at Blickling Hall on a scenic mixed surface route. Enjoy chip timing, a bespoke medal and finish donuts and cookies while supporting local sport.

Tackle 16 miles of undulating trails from Combe Gibbet to Overton across scenic Berkshire and Hampshire countryside. Managed transfers and kit transport included make this a classic spring cross country adventure.

Take on a scenic timed 7 hour trail along the River Wear with stunning Cathedral views in Durham. Distances range from 3 km to ultra, with medals, distance pins, aid stations and vegan options to keep you going.

Run London Epping Forest Trail 10K invites runners to tackle two laps of scenic, undulating forest tracks in Chingford, with chip timing, a finisher medal and cash prizes for top three men and women. Entries limited to 600 so book early.

Join the Lakeland Paws Tour de Whinlatter on 29 March 2026 for scenic forest trails around Whinlatter with marked routes and chip timing. Choose 9k or 12k, bring your dog in a suitable harness or run solo; route maps and GPX are available.

Challenge a scenic 32 mile loop from Baggeridge Country Park, largely traffic free along canals and old railways. Enter solo, pairs or team of 4, face the 2.7 km Netherton Tunnel with a head torch and finish with a medal and a beer.

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced run..

UTMB Index

Enjoy spring trails at Chatelherault Country Park in Hamilton on 29 March 2026 with 5 km, 10 km or 15 km options for all abilities. Friendly vibe, scenic views and easy online ticketing make this a great day out for runners and supporters.

Join the Zig Zag Challenge at Brandon Country Park for timed 4 or 6 hour running on a scenic 5.3k multi terrain lap in Thetford Forest, entries limited to 100. Stack laps to tackle marathon or ultra distances and earn a bespoke finish medal..

Run Upcote Spring Trail is a limited entry 5 mile off road route around Upcote Farm near Cheltenham, featuring forest tracks, climbs and scenic Cotswolds views. Expect chip timing, medals for all finishers and a friendly festival vibe.