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 1361 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 Slawit-Rock up N' Run - Summer Evening Series is a delightful running event held in the village of Slaithwaite, offering both 5K and 10K distances. Participants can enjoy a scenic out-and-back course while experiencing a vibrant community atmosphere. The event features a BBQ, beer, and chocolate..

The Big Stone Fell Race will take place in Chinley on Thursday 10 July 2025.

The Hope Trail Festival is a vibrant trail running event held at Newnham Park near Plymouth, Devon. Featuring a scenic 5-mile loop through a beautiful oak wooded valley on a private 1550-acre estate, the festival offers 12, 24, and 36-hour timed endurance races for solo runners, pairs, and teams of..

The Swan Challenge is a trail running event held at Coombe Abbey Park, Coventry, featuring a scenic 3.3-mile loop through mature woodland, waterways, and open grassland. This 6-hour event allows participants of all abilities to run, hike, or walk as many laps as they wish within the time limit, maki..

Hazelbury Hurrah! is a popular multi-terrain running event held in Corsham, Wiltshire, organized by Corsham Running Club. Scheduled for July 11, 2025, it features a main race of approximately 6 miles (10 km) over varied terrain including fields, quiet roads, and muddy, technical sections around Haze..

The Wibbly Wobbly Log Jog is a scenic trail running event held at High Lodge in Thetford Forest, Breckland. Now in its 26th year, the race covers approximately five miles of off-road forest paths, making it suitable for runners of all abilities. The event features chipped timing and is based at the..

The Summer 10K, organized by Big Bear Events, takes place at Coombe Abbey Park in Coventry. This scenic race features a 10-kilometer course through woodland, meadows, and grass fields with varied terrain including exposed tree roots and uneven surfaces, offering an undulating but not hilly route. Th..

The Maverick X Series Cotswolds 2025 is a trail running event held on July 12, 2025, at the historic Sudeley Castle in the Cotswold Hills, Gloucestershire. Celebrating its 10th year, the race offers four challenging routes ranging from 15 km to an ultra 51 km, all featuring rolling terrain, steep hi..

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The Lakeland Trails Ultra, held in the Lake District with a start and finish at Ambleside's Rothay Park, offers ultra marathon distances of 100k, 55k, 23k, and 14k. The 100k ultra features an iconic midnight start and covers dramatic mountain scenery with 5 mountain passes and 10,500 ft of ascent, w..

The CFRA Wasdale Fell Race is a challenging and scenic fell running event held in Wasdale, in the heart of the Lake District, England. Covering approximately 34 km (21.1 miles) with 2,750 meters (9,022 feet) of ascent, it is known as one of the hardest and most iconic fell races. The course features..

The Mote Park Summer Series is an orienteering event held at Mote Park, Maidstone, featuring two 60-minute score courses: a Long Score for experienced orienteers with 25 checkpoints and an Odd/Even switching system, and a Short Score designed for beginners and families with 25 controls to visit in a..

The Lyke Wake Challenge is a 40-mile endurance event organized by the Quakers Running Club, taking participants from Osmotherley to Ravenscar in North Yorkshire. The race involves varied terrains, including moors, hills, and trails, with checkpoints offering drinks and snacks. Participants must carr..

The Alva Games is a challenging hill race held near Stirling, Scotland, on the A91 at Alva. The course covers 1.60 miles (2.5 km) with a steep ascent gaining 1200 feet (365 meters) in elevation. Runners face natural obstacles including thorny gorse and a muddy gully as the hill steepens toward the s..

The Piece of Cake Trail Run is an exciting running event taking place in Carding Mill Valley, Shropshire, on July 13, 2024. Participants can choose from three distances: 10K, Half Marathon (13.1 miles), or Marathon (26.2 miles), all set against the stunning backdrop of the Shropshire Hills and The L..

The XTERRA Snowdonia Trail Marathon Eryri is a premier trail running event held in Llanberis, North Wales, known as Wales' outdoor capital. Participants can choose from a 10k, half marathon (12.9 miles), marathon (27.3 miles), or ultra marathon (57 km), all featuring challenging routes through Snowd..

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The Ridley Round is a self-navigation trail race held in Chelmsford, Essex, starting and finishing at The Compasses Inn in Littley Green. Approximately half marathon distance, the event takes runners through scenic rural countryside, including the Essex Way and the Chelmer Valley, while visiting sev..

The Glamaig Hill Race is a challenging 4.5-mile hill running event held on the Isle of Skye, starting from the Sligachan Hotel. With an ascent of 2,500 feet, it is known as one of the toughest races in Scottish hill running. The race is a short Category A event, requiring all participants to carry w..

Snowdon24 is a 24-hour ultra trail running event held in Llanberis, Eryri (Snowdonia), featuring multiple ascents and descents of Yr Wyddfa (Snowdon), the highest mountain in Wales and England at 1,085 meters (3,560 feet). Participants, either solo or in teams of up to five, aim to complete as many..

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The Forest Flyer is a nearly 5-mile running event held at Haldon Forest Park near Exeter. The course features forest tracks, paths, and fire roads, offering a scenic and varied trail running experience. Open to participants aged 18 and over, the race provides water at two stops and the finish line,..

The LT-100 & LT-50 Mile Ultra Challenge is a demanding trail running event held in Crickhowell, Powys, South Wales, traversing the scenic Black Mountains and Brecon Beacons National Park. Participants can choose between two separate 50-mile ultra distances or combine them for an epic 100-mile challe..