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 1278 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.

WTF - Where's The Finish? is a unique timed running event hosted by Zig Zag Running at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants choose between a 6-hour or 4-hour challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths..

Its Grim Up North Running presents the Skipton Sweetie Skedaddle in Skipton, starting near Aireville Park and finishing in town. The flat, towpath course runs along the Leeds and Liverpool Canal and offers distances from 5k to Ultra. Depending on distance, the route is out-and-back or laps, with mar..

The Montane Winter Spine is a non-stop, 268-mile race along the Pennine Way from Edale, Derbyshire to Kirk Yetholm in the Scottish Borders. The race has a time limit of 168 hours. The route crosses the Peak District, Yorkshire Dales, Northumberland National Park, Hadrian’s Wall and the Cheviots, wi..

UTMB Index

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering water stations and first aid support. Participants receive..

Location: Hankley Common, Elstead, Surrey. Distance: 10km. Description: A guided trail run starting and finishing at Hankley Common Lower Car Park.The route traverses Hankley Common’s trails, known for wildlife and a World War II Atlantic Wall replica (the Lion’s Mouth) built by Canadian troops to t..

Let's Run Adventures' Hardmoors 55 Recce is a non-competitive winter recce covering roughly 25 miles from Cod Beck to Helmsley in North Yorkshire. It follows a section of the Hardmoors 55 route, including the dark sections and ascents at Black Hambleton and White Horse, with checkpoints at Scarth Ni..

Haldon Night is a winter night trail event at Haldon Forest Park, Exeter. It offers a single-loop 10K and 5K, plus 1K and 2K kids races, and a canicross 10K option. Races start and finish at the Start/Finish arch and are tweaked to finish just over official distances.The routes are clearly marked wi..

The Hebden 2026 is a winter hill-walking event in Mytholmroyd, with St Michaels Church Hall as the hub. It offers two challenging routes: 22 miles and 15 miles. The long route climbs over 4,000 feet, while the shorter route has less ascent but is equally demanding.Not suitable for beginners, the cou..

Punk Panther Green Gateways is the season-opening trail race hosted from Otley Cricket Club in Otley, West Yorkshire. The course links city parks and green spaces around Leeds via the Green Gateways route, largely off-road, with a return along the Meanwood Valley Trail. Distances offered are 14, 20..

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The Zigzag - Windmill Way Wander is a multi-distance running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Participants can choose from 5k, 10k, half marathon, full marathon, or ultra distances, all following the scenic Windmill Way route. The course is entirely on road, featuring..

The Dirty Devil Stampede is a challenging and muddy running event held at the Bovington Tank Range in Bovington Lane. Participants can choose from 5k, 10k, or 15k distances, with a special Dark 10k race taking place at dusk on a different course. The race takes place on an army training ground, offe..

Vogrie Country Park (Tyne Valley) hosts Scurry Events’ Vogrie Tyne Valley running event on 18 January 2026. The program offers three races: a 10km, a 5km trail run, and a 1.6km family fun run. The trail routes are clearly marked and marshaled, providing a mix of terrain through the park’s estate pat..

The Sherwood New Year 10k, 5k & Junior Run is a popular multi-terrain race held at Sherwood Pines in Nottinghamshire, set within the iconic Sherwood Forest. The event features 10k and 5k distances alongside a junior run, catering to runners of all levels from beginners to seasoned athletes. The cour..

Riverbank Rollick 2026 is a 9.6-mile race organized by Thornbury Running Club in Thornbury, Bristol. The route combines trails, bridle paths, fields, woodland, a stream and a riverbank, with 80% on rough terrain, and mud is common in January. It opens the 2026 Riverbank Rollick Race Series, with med..

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...

Arundel & SDW Winter Trails 2026 is a double gold-rated trail event along the South Downs, finishing in Arundel. Runners choose between a marathon along the South Downs Way from Heyshott to Arundel (featuring river runs, rolling fields, and a Gurkha Suspension bridge) and a 15-mile option that detou..

The Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run as many laps as they wish within seven hours, with each lap measuring approximately 4.37 miles (7km), subject..

The Crocodile Challenge is a six-hour running event held at Ryton Pools Country Park, Coventry (CV8 3BH). Entrants aged 16 and over on 23/01/2026 are eligible. The organiser donates 7.5% of entry fees to Roald Dahl’s Marvellous Children’s Charity and has allocated a limited number of charity places..

The Arc Of Attrition by UTMB will take place in Coverack from Friday 23 January 2026 to Sunday 25 January 2026. You can run between 13 and 101 miles.

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Epic Events' Petzl Night Runner Rivington returns to Rivington and Blackrod High School, Rivington Lane, Bolton (BL6 7RU), for the final Night Runner event of the series. The night race offers a 10k trail and a Half Marathon, both on a fully marked course with reflective signs, run with a head torch..