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 1776 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.

Run Sandringham offers scenic 5K and 10K routes through the Sandringham Estate, mixing trail and road surfaces. Enjoy chip timing, bespoke medals and finish goodies as you race in this picturesque royal setting.

Run the scenic Lake Vyrnwy 10k on 21 June 2026, a mixed terrain trail around the picturesque Llanwddyn estate with climbs and fast stretches. Enjoy a lively finish and a commemorative medal for all finishers.

Run the scenic Lake Vyrnwy 10k on 21 June 2026, a mixed terrain trail around the picturesque Llanwddyn estate with climbs and fast stretches. Enjoy a lively finish and a commemorative medal for all finishers.

Explore the War of the Worlds sandpits at Horsell Common on 21 June 2026 in the volunteer run Martian Race. With 21k, 10k, 5k and a 2k kids race, proceeds support local charities and the event pledges to protect the common.

Hawkswick Dash on Sunday 21 June 2026 in the Yorkshire Dales is a short, scenic fell race that climbs to a skyline ridge then drops back to the field in a thrilling finish. Entry on the day only with low fees and junior races.

Enjoy a scenic trail run around Harewood House estate with lakeside views, woodlands and routes past the sets of Emmerdale. Choose 12.7km or 21.7km with chip timing, marshals and a finisher medal at a friendly low waste event.

Run as far as you like in seven hours along the River Wear with cathedral views at Lord of The Run North. Choose your distance from 3 km up to ultra, enjoy on course aid, themed medals and vegan goody bags.

Enjoy a scenic multi terrain 10km that starts and finishes at Twisted Tree Brewery on the Tusmore Estate, with a canicross option. Finishers get a medal and a beer or soft drink to enjoy at the brewery.

Take on the Settle Hills Race on Sun 21 Jun 2026, an 11.3 km fell loop with 500 m climb and superb views to Pen Y Ghent. Starts in Settle Market Place with pre entry or entry on the day, marshals and finish refreshments.

Enjoy a scenic but testing 6.7 mile fell race with 1654 ft of climb from YHA Windermere in the Lake District on Sun 28 Jun 2026. Open to runners aged 16 and over with pre entry and on the day entries available.

Tackle the Trunce 5, a lively fell race in the Peak District around Oxspring offering a hilly 6.2 km route with about 190 m of climb. On the day entries are welcome and juniors over 10 can take part in a 3 km race as part of an eight race s..

Take on Aggies Staircase, a Category AS fell race in Darwen in the South West Pennines. This testing 4 mile route climbs 350 m to Darwen Tower via Jubilee Tower, Jacob's Mound and Aggies Staircase, ideal for fit runners aged 14 and up.

A scenic 10K trail through Lyme Park with challenging climbs, woodland views and a fully marked, chip timed course. Finishers get a medal and snacks while £2 from every entry supports the National Trust.

Tackle the Bridestone Fell Race in Todmorden for a punchy 7.5 km with 375 m of climb across the South West Pennines. Pre and day entries accepted; race HQ at the Hare and Hounds makes for a classic fell running finish.

Eddie's Revenge is a tough 5.8 km fell race in the South West Pennines on Wednesday 24 June 2026, with 308 m of climb across moorland and forest. Expect steep ascents and a shale descent by the Crompton Moor trig point. Proceeds support Dea..

Take on a scenic 12 km course across the North York Moors with 400 m of climb for a rewarding midweek challenge. Entry on the day, friendly teams welcome and a post race BBQ helps raise money for charity.

Join Kirkstall Rock up n' Run on 25 June 2026 for a fun pop up summer run along the Leeds and Liverpool Canal with 5k and 10k options. Register online or on the day and enjoy hot food, a jumble medal and a post run beer or soft drink.

Celebrate the season finale at Cowdray Estate with scenic routes across polo lawns, Ambersham Common and views of the Cowdray Ruins and South Downs. Canicross options, a kids run and post race BBQ and bar make for a festive family finish.

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three days, combining distances of 5 miles, 8.1 miles, and a half marathon of 13.1 miles, t..

Join Cock a doodle Dawdle on 27 June 2026 at Hyde Hall Farm for undulating trails across grassland and paths, with distances from 5k to ultra for all levels. Limited to 300 entries, friendly aid station and bespoke medals add to the charm.