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 1500 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.

The Round Hill Fell Race will take place in Timble on Sunday 2 August 2026. You can run 14 kilometers.

The Trunce Race Series will take place in Oxspring on Monday 3 August 2026. You can run 6 kilometers.

Tackle the MTC Thames Challenge, a four day 184 mile ultra from the Cotswolds to the Thames Barrier, 6 to 9 August 2026. Cover four scenic stages on the Thames Path, earn UTMB points and collect a bespoke medal each day.

Run a scenic 57 mile point to point ultramarathon along the Thames Path through the Cotswolds, finishing in Oxford. All finishers receive a bespoke medal and MTC head visor, with trophies for winners and a charity entry option.

Rodley Rock up n' Run is a pop up summer series event on 6 August 2026 offering scenic off road 5k and 10k routes. Finish behind the pub for a jumble medal, hot food and a beer or soft drink.

Run 49 miles from Oxford to Henley along the Thames Path, enjoying a scenic riverside course with friendly checkpoints. All finishers get a bespoke medal and choice of technical shirt, mug or hat, with trophies for top male and female finis..

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 MTC Windsor Ultra, a 47 mile point to point run along the scenic River Thames from Henley to Kingston. Enjoy riverside views, staffed checkpoints and a bespoke finisher medal plus a technical shirt, mug or hat and charity option..

Take on the Cordwell Colossus, a summer 20 mile trail around Cordwell and Linacre Valleys on the eastern edge of the Peak District with 840 m of climbing. Varied trails, basic navigation and a finisher medal make for a rewarding day out.

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Take on the North Downs Way 100, a continuous 103 miles from Farnham to Ashford with 11,000 ft of climb and a 30 hour cutoff. Mostly trail, marked route and stocked aid stations lead to a memorable finish at Julie Rose Stadium.

UTMB Index

Run the Stour Valley Path on 8 August 2026, choosing a scenic point to point 100k or 50k with UTMB Index points up for grabs. Mostly trail through rolling countryside with friendly aid stations and a medal and shirt for finishers.

UTMB Index

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

UTMB Index

Race Across Scotland is a 215 mile self supported ultra along the scenic Southern Upland Way from Portpatrick to Cockburnspath, testing endurance over rugged hills with a strict 100 hour cutoff. Entry by application and places are limited.

Explore the Ochil Hills from Airthrey Castle in Maverick Race's trail event with routes from 5 km to 49 km across forest, fell and open trails offering big views and sharp climbs. The plastic free event uses self serve outposts so bring a r..

Head to Arncliffe Village Green for the Arncliffe Gala fell race, featuring a steep climb to a summit and a thrilling return to the green and serving as a BOFRA championship counter. A separate 4 mile road race offers a road option for all..

Run the Mendip Marauder, a scenic but hilly trail on the Mendip Way with 30 or 50 mile options that traverse Ebbor Gorge, Cheddar and woodlands before a memorable finish on Uphill Sands Beach. Well marked trails and staffed aid stations sup..

Enjoy a lively 10 km multi terrain run around Ramsbury Brewery on Sunday 9 August 2026, with a canicross option and mostly off road trails. Finish with a pint and support Brighter Futures in this friendly community race.

Hardmoors 26.2 Farndale invites runners to tackle scenic but rugged trails in the North York Moors with marathon, half and 10k options. Limited entries and mandatory kit make this a challenging, self navigated trail adventure.

Enjoy a scenic undulating 10k through quiet lanes around Mount Ephraim Gardens with views of rolling Kent hills. Includes a bespoke medal, free garden entry and supports Oasis Domestic Abuse Services.