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 1504 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 Black Night Scar fell race in Todmorden, a challenging evening run of 5.8 km with 315 m ascent under head torch light. Finish at the Hare and Hounds pub for refreshments and prize giving; pre and on day entry welcome.

Experience a night run through Wyre Forest on 26 November 2025 with a 10 km course run as two laps under torchlight. Canicross are welcome and every finisher gets a medal while prizes await the top three in each gender.

Join a guided night trail run at Castle Semple for a scenic 10km on mixed paths and muddy climbs with views from Parkhill Woods and lookout tower. This friendly social run requires headtorches and trail shoes and supports a local charity.

Join a guided Box Hill Vertical KM group run near Dorking for a tough 12.5 mile route with about 1000 m of climb through woods, heath and open fields. Enjoy expert guidance, technical terrain and a social finish.

Witterings Beach Run at West Wittering showcases sandy flats and stunning sea views from Selsey Bill to the Isle of Wight. 5 km, 10 km and 15 km routes plus canicross make it ideal for runners and dogs. Event sold out.

Night on the Edge is an exciting night running event featuring a Half Marathon, 10K, and 5K race along the stunning Cornish SW Coast Path. The course starts at Cremyll, traverses through Cawsand, and reaches Rame Head Chapel for the Half Ma..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses wit..

The The Maverick Original Oxfordshire will take place in Stonor on Saturday 29 November 2025. You can run between 7 and 22 kilometers.

Take on the Stanza Stones Winter Edition, a rugged 50 mile, 24 hour challenge from Marsden to Ilkley that visits six carved poems by Simon Armitage and climbs Ilkley Moor over 6600 ft of ascent. Live tracking, staffed checkpoints and a fini..

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 29, 2025. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as..

The Wallop is a scenic 21k timed trail race through Farleigh Wallop Estate, winding along narrow woodland paths, wide gravel tracks and open fields. Enjoy marshalled support, a bespoke finisher medal and post race mulled wine and mince pies..

Take on the Loggerheads Half Marathon at Loggerheads Country Park, three laps of a scenic 7 km loop with varied terrain and on course support. Solo runners or teams of three can enjoy a challenging course and a finishers medal.

A rugged 50 mile ultra across the South Pennines from Marsden to Ilkley, climbing over 6,800 ft and visiting six Stanza Stones carved with water poems. Tackle moorland, historic Haworth and Ilkley Moor in summer or winter editions.

Enjoy an autumn 5k trail at Kiplin Hall, winding through gardens, woods and grassland on a compact, spectator friendly course. Warm up with a hot drink and spiced flapjack at the finish.

Take on the Baslow Bolt, a 13 km Peak District fell race with 400 m of climb on Sat 29 Nov 2025, starting and finishing at St Anne's Church. Enjoy a well marked route, post race refreshments and a village atmosphere supporting the local sch..

Explore Pewsey Downs near Alton Barnes with orienteering courses for all abilities, from easy beginner routes to challenging expert courses. Scenic chalk downland, waterproof maps and electronic timing. Online entry only.

Take on the DAAA Cross Country Championships on 29 November 2025 at scenic Balloch Country Park, Loch Lomond. With races for all ages from U11 to masters and team prizes and medals, it is a lively day for clubs and runners of every level.

Tackle Kirkby Moor on Sat 29 Nov 2025 with a 10.5 km fell race climbing 490 m across classic Lake District terrain. Entry on the day is welcome and teams of three can vie for the Bob Grieve Trophies.

Take on Stybarrow Dodd: a 4 mile winter fell run in the Lake District with 700 m climb. Part of the Kong Winter Series, pre entry required and limited to 200 runners.

Join a guided 13 mile trail run around Guildford's Surrey Hills, visiting St Martha's Hill, Shere and the North Downs Way. Enjoy a friendly group pace, kit support and optional post run refreshments.