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 Endurancelife Exmoor on 9 May for sweeping moorland, cliffs and wooded combes with routes from 10K to an Ultra, featuring stiff climbs and stunning coastal views. Fully marked courses, electronic timing and a finishers medal make it..

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The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland trac..

Preseli Beast is a circular off road fell race from Maenclochog around the Preseli hills, with steep climbs, boggy trails and coastal views. Choose 24 mile or 11 mile routes; entries open December 2025 for May 9 2026.

Apocalypse Ultramarathon in Church Stretton on 9 May 2026 offers 10 to 50 mile options across four scenic but brutal loops. With a 16 hour limit, rolling food at HQ and limited places this is a bold endurance challenge.

Challenge yourself on the Marsden Moors routes on 9 May 2026, choosing from 18, 23 or full marathon distances across moorland, reservoirs and canal towpath. Expect stunning views, checkpoint snacks and a warm finish meal.

Join the Ridgeway 40 on May 9 2026 for a scenic 40 mile walk along the Ridgeway across chalk downland. Limited entries and checkpoint support make this a rewarding challenge for prepared walkers.

Take on the Westcountry Ultra Flat, a 50 mile point to point ultramarathon on 9 May 2026 from Taunton to Minehead. Enjoy a pancake flat first half followed by scenic coastal climbs, rocky beaches and unforgettable views to the finish.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Guided recce of the Paddy Buckley leg from Nantmoor to Beddgelert, 15 km with 1,580 m ascent across beautiful Snowdonia ridges. Small groups led by mountain leaders make this a great chance to test your legs and enjoy epic views.

Join the Oliver Fisher 10k, 5k and junior run at Milton Creek Country Park for a scenic off road race supporting the Oliver Fisher Special Care Baby Trust. Enjoy park views, medals and fundraising for the neonatal unit.

Run scenic loops through Avenham and Miller Parks along the River Ribble at the Avenham Amble, with distances from 10K to an ultra and post run goodies plus a bespoke finisher medal. Limited to 100 entrants for a friendly festival atmospher..

Celebrate the 30th Halstead & Essex Marathon in May 2026, a scenic road race through rolling hills, woods and farmland around Halstead. Expect low traffic roads and friendly club support for a classic Essex running challenge.

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Tackle the rugged North York Moors at Hardmoors 26.2 White Horse, offering scenic circular trails from 8 to 28 miles around Sutton Bank. Self navigated routes, mandatory kit and a 250 person limit make this an adventurous challenge.

Join the Hardy Half in Dorchester for scenic trail running with a 5 mile option or a challenging half marathon with about 1400 ft of climbing. Finish at Dorchester club where an event village, entertainment and local fundraising await.

Run through the scenic Rathfinny Wine Estate vineyard on a challenging off road 10.7 km loop or double it for a 21.4 km half marathon. Carbon neutral event supporting the WOLO Foundation with free charity places and recycled medals.

Explore Northamptonshire on the Shires and Spires Anti Clockwise Edition, offering 10K up to a 35 mile ultra across scenic roads and trails. Waymarked routes, checkpoints and GPS support make this a great test of stamina and navigation.

Take on the Midhurst Milers Cocking 10k Trail, a scenic but challenging 10k across the South Downs with a steady climb and a fast downhill finish. Licensed and chip timed with medals, prizes and a lively race village.

Join the Lakeland Paws Whinlatter Double Header on 10 May 2026 for scenic forest trails up to the summit of Seat How. Dog friendly with individual starts and chip timing, this Season 4 finale is perfect for runners and their canine companio..

Take part in the Jack Bloor Races, an evening fell race with junior events on Ilkley Moor each second Tuesday in May. A community favourite, the event raises funds for the Jack Bloor Memorial Fund to support young people.