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 1261 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 Garmin UK Trail Running Festival, organized by ORA Events, takes place in the New Forest area of Hampshire, UK. It features a spectrum of multi-terrain races: Full Marathon, Half Marathon, 10K, 5K, 2 Mile, plus youth events (200m and 1 mile) and Run With Your Dog, with a virtual option also avai..

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a choice between 10-mile and 15-mile distances, either solo or in teams. Inspired by military-style navigation, the event requires runners to find their way back to the event center from an undisclos..

Hidden Glen 10K, part of Tay Fitness Events, is a scenic 10-kilometre race starting at the boutique Monachyle Mhor Hotel in Balquhidder, Scotland. The route traces the banks of Loch Doine and heads deep into Monachyle Glen, offering a mix of surfaces: the first 2 km on tarmac followed by a trail cou..

Set along the Tissington Trail in Derbyshire, the Tissington Trail Marathon & Half Marathon uses a traffic-free, multi-terrain rail-trail from Parsley Hay to Ashbourne. The 13-mile trail section provides a scenic, historic backdrop with a gentle downhill on the return, making it suitable for both se..

A Coventry Way Challenge is a 40-mile countryside route around Meriden, starting and finishing at the Heart of England Social Club. Participants may walk or run, solo or in a relay, for fun or charity. The event features five checkpoints offering cold drinks and a selection of food, plus meals at th..

The Scone Palace Trail Runs, held at the historic Scone Palace near Perth, Scotland, offer 5km and 10km trail running events suitable for all fitness levels. The 10km route features scenic views of the palace grounds and a lap around Perth Racecourse, making it ideal for both beginners and experienc..

The Trident Grantham Triathlon will take place in Grantham on Sunday 26 April 2026.

Eastnor Castle Backyard 8hr and Relay 2026 is a running event staged in the private Eastnor Castle Deer Park, set within the Malvern Hills National Landscape. The route runs along a private estate road in a figure‑of‑eight, with stunning views of Eastnor Castle and British Camp, the Iron Age hill fo..

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon follows the officially measured, scenic, and mildly undulat..

The Run for Wildlife Spring 10k is a unique running event held at the Yorkshire Wildlife Park in the UK. This UK Athletics licensed race features a single large loop course that covers mixed surfaces including roads, park paths, trails, and grass, offering a runner-friendly route ideal for personal..

The Ale Trail 15 mile run is a pub-led trail race in Alfriston, East Sussex, starting from the Ye Olde Smugglers Inne beer garden. The 15-mile course has a 4hr30min cut-off and pub checkpoints at The Hampden Arms and The Ram Inn, where runners log arrival and receive a beer token and snacks before c..

Set at the National Trust Gibside Estate in Rowlands Gill (Tyne and Wear), this midweek evening event offers 5km and 10km woodland trail challenges among 600+ acres of gardens and countryside. The route weaves through a landscape rich in wildlife and historic architecture, with highlights such as th..

May 2026

The Portland Pig Backyard Ultra is an ultramarathon event held at Grove Farm Estate, Portland, Dorset. In this unique race format, participants run a 4.167-mile (6,706 meters) loop every hour, starting on the hour, continuing until only one runner remains. The course offers diverse terrain including..

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Participants choose their distance on a flat, signed course along r..

Thames Path 100® is a 100-mile point-to-point trail race by Centurion Running, from Richmond in London to the grounds of Oxford University. The route follows the Thames Path with a flat, fast profile on groomed paths, trails and paved sections, and about 1,900 feet (560 m) of climb, offering varied..

UTMB Index

The Isle of Wight Ultra Challenge is a coastal-footpath event on the Isle of Wight, starting at Chale Basecamp. In 2026, it offers multiple distances: a full continuous 106 km around the island (clockwise), a 52–54 km two-day option, plus 82 km, 50 km Southern Loop, 25 km Quarter, and a Medina 10-mi..

Welsh 3000's Ultra Run is a guided mountain day in Snowdonia, North Wales. The route covers roughly 30 miles (about 50 km) with around 4,000 meters of ascent across the 15 Welsh 3,000-ft peaks, including Snowdon, the Carneddau and the Glyderau, and features the awe-inspiring Crib Goch traverse. It i..

Ultra X Scotland takes place in the Scottish Highlands around Inverness, featuring the Great Glen and Loch Ness. The event offers multiple distances: 110km single-stage, 110km over two stages, plus 60km, 50km, 25km, and 12km options. Runners traverse iconic Highland terrain along the Great Glen Faul..

UTMB Index

The Malvern Hills Ultra is staged in Worcestershire, starting and finishing at Abberley Village Hall (WR6 6AZ). Runners can choose 23, 31, 38 or 47 miles; the 47-mile option features about 2,941 m of ascent (nearly 10,000 ft). The course is an out-and-back along the Worcestershire Way, with turn poi..

Pennine Barrier Ultra 50 is a 50-mile ultramarathon staged by GB Ultras in the Yorkshire Dales, starting and finishing at Malham Showfield. The route covers 50 miles with approximately 2,593m of ascent, taking in Malham Cove, Watlowes Dry Valley, Malham Tarn, Fountains Fell, Janet’s Foss and the Yor..

UTMB Index