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 1433 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 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..

DirtRun In The Dark is an exciting 10km off-road running event set in the scenic Wyre Forest at the Callow Hill Visitor Centre. Participants will navigate a two-lap course through tracks and trails under the cover of darkness, making headlamps or torches a mandatory requirement. Open to runners aged..

The Maverick Original Oxfordshire 2025 is a trail running event set in the picturesque Stonor Park, known for its historic manor house and ancient deer herd. Scheduled for November 29, 2025, this event features three distinct routes: 22 km, 12 km, and 7 km, catering to various skill levels. Particip..

The Maverick Exposure Lights Dark Oxfordshire 2025 is an exciting trail running event set in the picturesque Stonor Park, nestled in the Chiltern Hills. Participants can choose from three challenging routes: 17 km, 12 km, and 7 km, all designed to enhance the thrill of running in the dark. The event..

The Wittering Beach Run is a popular running event set against the stunning backdrop of West Wittering's natural beaches, which have earned Blue Flag Status. Participants can choose from three distances: 15km, 10km, and 5km, all designed to showcase breathtaking views of Selsey Bill, the Isle of Wig..

Night on the Edge is an exciting night running event featuring a Half Marathon, 10K, and 5K race along the stunning Cornish SW Coast Path. The course starts at Cremyll, traverses through Cawsand, and reaches Rame Head Chapel for the Half Marathon. Participants can also join Canix races, which involv..

The Box Hill Vertical KM is a unique guided trail running event that focuses on tackling the hills of Box Hill and its surrounding areas. Participants will experience a specially designed route that achieves over 1000 meters of elevation gain in a short distance, navigating through diverse terrains..

The Riverside Marathon & Half Marathon is a scenic running event taking place along the River Thames, featuring both marathon and half marathon distances. Participants can choose to complete either 4 laps for the half marathon or 8 laps for the marathon. The course is UKA certified and offers a flat..

The Surrey Hills Half Marathon is a guided trail running event that showcases the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. Participants will experience scenic routes featuring highlights such as St Martha's Church, the village of Shere, and breathtaking views fro..

The St Andrews Day Challenge, organized by Zig Zag Running, is a unique running event held at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour format, running a 5.3k multi-terrain lap through the scenic forest. This event caters to runners of all levels, from begin..

The Winter Trail Runs at Dalby Forest is an exciting running event set to take place on November 30, 2025, in one of the UK's premier trail venues. Participants can choose from three distances: a Marathon (26.2 miles), a Half Marathon (13.1 miles), and a 10km run (6.2 miles). The event is located in..

December 2025

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..

Fordh Sen Mighal is a renowned multi-terrain trail race held in Cornwall, attracting runners annually. This 11-mile point-to-point race takes participants along the scenic European cultural route from Lelant to Marazion, featuring beautiful landscapes including Trencrom and Ludgvan. The event emphas..

The Secret Santa Tinsel Half Marathon, along with the Tinsel Twelve 12k and Turkey Ten miles, is a festive running event taking place in the scenic Black Mountains. Participants can enjoy beautiful trails while embracing the holiday spirit by dressing up and bringing a small wrapped gift for a Secre..

The Crag Fell Handicap Race, organized by the Cumberland Fell Runners, is a challenging fell running event set in Bleach Green, Ennerdale. This race features a distance of 2.5 miles with an elevation gain of 1345 feet, making it a Category AS race. Participants must prepare adequately with essential..

The East Devon 8 Trigs event offers participants a choice of three distances: a Half Marathon (3 Trigs), a Marathon (6 Trigs), and an Ultra (8 Trigs). Set in the scenic trails of East Devon, this self-navigation event encourages runners and walkers to explore the area while visiting various trig poi..

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, catering to various skill levels. The course features a mix of flat secti..

Endurancelife Dorset offers a challenging running experience along the stunning Jurassic Coast Path, based in Swanage. Participants can choose from four different race distances: a 10K, half marathon, marathon, and ultra marathon, each set against a backdrop of breathtaking coastal scenery. The even..

UTMB Index

The Drop - Kendal is an exhilarating and challenging race in the UK, designed to test participants' resilience and resourcefulness. Competitors can choose between a 15-mile or 10-mile journey, either solo or in teams. The race begins with participants being transported to an undisclosed drop-off loc..

Race The Light is an exciting running event set to take place at Mothecombe on the Erme Estuary, featuring two race options: an 8.5-mile classic route and a half marathon. Participants will navigate through the scenic trails of the privately owned Flete Estate, including a double crossing of the Riv..