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 1281 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.

Join the Farleton Knott fell race on Sunday 2 August 2026 for a steep 2.6 mile 4.2 km climb and descent with rewarding views from the top. Fast and scenic, the event welcomes juniors through seniors and has on site parking for a small fee.

Run scenic laps through Elvaston Castle Country Park at the Derby Running Festival, with 5K, 10K and half marathon options on flat mixed terrain. Enjoy a themed medal, free photos, chip timed results and a lively event village.

Event overview Totnes 10K takes place on Sunday 2nd August 2026. The organisers note that the permanent route adopted after erosion measures is now around 11K, though the event is still called the 10K. The race is largely off road and follo..

Run the Vanguard Way Marathon or Half on 2 August 2026 from Croydon along scenic Surrey and Sussex woodlands and ridges. Finishers receive a medal plus a goody bag with a race t shirt and snacks.

Run the Cotswold Ultra on 6 August 2026, a 57 mile point to point Thames Path challenge from Kemble to Oxford. Enjoy staffed checkpoints, a bespoke finisher medal and an MTC head visor as you tackle scenic Cotswold terrain.

Tackle the Thames on a four day 184 mile endurance race from the Cotswolds to Greenwich, 6 to 9 August 2026. Enjoy supported nights, strict pace cutoffs and stunning riverside scenery while earning UTMB points.

Run from Oxford to Henley along the scenic Thames Path in the MTC Oxford Ultra, a 49 mile point to point ultramarathon on 7 August 2026. Enjoy riverside views, timed checkpoints and a bespoke finisher medal with a choice of tech shirt mug o..

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.

Take on the 47 mile MTC Windsor Ultra along the River Thames from Henley to Kingston. Enjoy riverside views, checkpoint support and a bespoke finisher medal while you tackle this scenic endurance challenge.

Join ATW Odyssey12 at Riverside Park in St Neots for a spirited multi terrain lap run as part of the First to Full Triathlon Festival. Run solo, with a pair, or in a team, enjoy lively spectator zones and earn a unique Odyssey medal.

Take on the Cordwell Colossus, a scenic summer trail loop on the eastern edge of the Peak District. Just over 20 miles with 840 m ascent, expect hilly trails, checkpoints and a village hall finish with a medal for all finishers.

SVP100 is a point-to-point ultramarathon along the Stour Valley Path from Newmarket in Suffolk to Brantham near Manningtree in Essex. The 102 km (63 miles) route is mainly trail (about 95%) with a modest elevation gain and loss (roughly +91..

UTMB Index

Race Across Scotland is a legendary multi day 215 mile ultramarathon along the Southern Upland Way from Portpatrick to Cockburnspath, with over 7200 m of ascent. Entries are by application, places are limited and a waitlist is open.

Tackle the North Downs Way 100, a continuous 103 mile trail from Farnham to Ashford across the Surrey and Kent ridgelines with a 30 hour time limit. Limited to 250 starters and a Western States qualifier, it is a classic, scenic ultra.

UTMB Index

The BOFRA - Arncliffe Gala will take place in Arncliffe on Saturday 8 August 2026. You can run 4 miles.

Join Maverick Race in the Ochil Hills from University of Stirling for scenic trails through Hermitage Wood and up Black Hill. Distances from 5 km to 49 km with marked, timed courses, aid stations, free parking and a finisher medal.

The GBultras | Ultra Great Britain will take place in Stranraer on Saturday 8 August 2026.

UTMB Index

Join the Mount Ephraim 10k at Mount Ephraim Gardens, Faversham on 09 August 2026 for an undulating 10k on quiet country lanes with stunning Kent countryside views. Enjoy a bespoke medal, photos and support Oasis Domestic Abuse Services.

Run a scenic multi terrain 10 km through the Ramsbury Estate, starting and finishing at Ramsbury Brewery. Choose standard or canicross entries and celebrate with a medal and a post race beer from the brewery.

Take on the Devil Half Marathon, a 13.1 miles trail through the Derwent Valley with 1666 ft of ascent. Finish with photography, music and a finisher T shirt plus cash prizes for top finishers.