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 1251 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 Broadway Marathon & Half will take place in Broadway on Sunday 16 November 2025. You can run 26 miles.

UTMB Index

The Meanwood Holly Hustle is an exciting forest trail run set in the scenic landscapes of Leeds. Participants will navigate a 10.5km course featuring challenging uphills and rewarding downhills, showcasing the beauty of Meanwood Park and the Hollies, along with the picturesque Meanwood Valley Trail...

The Rugged Radnage 10K Run is a challenging mixed terrain race set in the picturesque Chiltern Hills near Radnage. Scheduled for November 16, 2025, this event features a scenic course that includes roads, trails, and footpaths, with both ascents and descents. Participants aged 15 and older can take ..

The Devil's Punchbowl 10k is a guided trail running event set in the scenic Devil's Punchbowl area in Hindhead, Surrey. This unique 10km run combines stunning natural beauty with a fun and challenging experience, perfect for both novice and experienced trail runners. Participants can enjoy breathtak..

The Zigzag - 2025 Turkey Trot Challenge is a six-hour running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners aiming f..

The Hardwolds 80 is an endurance running event taking place from Hessle to Filey, following the scenic Wolds Way. Participants will traverse 80 miles of beautiful chalk landscapes, dry valleys, and vibrant wildlife, passing through charming market towns and historic villages like Brantingham and Wha..

The Ranger Ultras Peak District South & North is an exciting ultra-running event set in the stunning landscapes of the Peak District, taking place over two days. Participants can choose from three challenging routes: 50km in the White Peak, 43km in the Dark Peak, or a combined 93km grand tour. The e..

The Hermitage Trail Runs feature a 10km, 5km, and a 1.2km festive fun run, taking place at the Hermitage of Braid and Blackford Hill. The event is designed for participants of all ages and abilities, with clearly marked and marshaled off-road routes. The 5km and 10km runs follow a single lap course ..

The Serpent Trail Ultra Run is a 30-mile trail event that showcases the scenic beauty of the Serpent Trail and the Sussex Border Path, starting and finishing in Haslemere, Surrey. This guided run is designed for both seasoned and first-time ultra runners, providing an opportunity to learn from exper..

The PFW Running Lancashire Loop Trail Run invites participants to experience the scenic beauty of Lancashire through a variety of race distances, including a 10K, half marathon, marathon, and ultra marathon. The course features a picturesque route in Blackpool, passing notable landmarks such as Mart..

The Medal Mix Challenge - Day 1 is an inclusive running event organized by Running Events Devon, taking place on November 29, 2025. Participants of all abilities are welcome to join this 7-hour timed challenge on a scenic 5.3k out-and-back course along an old disused train line. Runners and walkers ..

The Wittering Beach Run is a scenic running event set against the backdrop of West Wittering's beautiful beaches, known for their Blue Flag status. Participants can choose from three distances: 5km, 10km, and 15km, all of which feature stunning views of Selsey Bill, the Isle of Wight, and Chichester..

The Box Hill Vertical KM is a unique guided trail run set in the scenic hills of Box Hill, Surrey. Participants will tackle a specially designed route that achieves over 1000 meters of elevation in a short distance, navigating through diverse terrains including woodland and heathland. This event emp..

The Winter Trail Runs at Dalby Forest is an exciting running event set in the stunning surroundings of North Yorkshire's Dalby Forest, part of the North York Moors National Park. Participants can choose from three distances: a Marathon (26.2 miles), a Half Marathon (13.1 miles), and a 10km run (6.2 ..

The Surrey Hills Half Marathon is a scenic trail running event that takes participants through the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. This 13-mile guided run showcases highlights such as St Martha's Church, the village of Shere, and breathtaking views from ..

The Medal Mix Challenge - Day 2 is a running event organized by Running Events Devon, taking place on November 30, 2025. This inclusive event welcomes participants of all abilities, offering a 7-hour time limit to complete laps on a scenic 5.3k out-and-back course along an old disused train line. Ru..

The Zigzag St Andrews Day Challenge is a unique running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed challenge, running as far as they can on a scenic 5.3k multi-terrain loop through the forest. This event caters to runners of all le..

December 2025

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting from Plumpton Racecourse. Participants can choose between three distances: a 22km Half Marathon, a 12km Standard route, and a 9km option. The course features a mix of flat and challenging climbs, offering stunni..

The Hurtwood 50K, organized by Freedom Racing, is a popular ultra-running event set in the scenic Surrey Hills. This trail race features a fully signed long-distance route, enhanced with additional signage for clarity. Participants can expect well-stocked checkpoints at various intervals, providing ..

The ATW Grafham Water - Trail & Canicross event invites participants to enjoy a scenic 10-mile trail run around the picturesque Grafham Water reservoir in Cambridgeshire. The route begins on the iconic dam and features fast-running trails through a Woodland Nature Reserve, past Dragonfly Pond, and a..