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 1384 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 Longbridge 100 Backyard Ultra is an inaugural running event designed for both seasoned and novice runners. This last-man/woman-standing race requires participants to complete a 4.2-mile loop every hour until only one runner remains. The event emphasizes community support, with dedicated voluntee..

The Punk Panther Green Gateways is a trail running event that serves as the season opener for the Punk Panther series. Participants can choose from various distances, including a half-marathon, 20 miles, and an ultra marathon of 34 miles. The race follows a scenic route based on the Walkers are Welc..

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The Hebden 2025 is a challenging running and walking event featuring routes of 15 and 22 miles, designed for both walkers and runners. The long route includes over 4,000 feet of climbing, making it a demanding course not suitable for beginners. Participants can expect a well-organized event with ref..

The L100 Recce 2 event, part of the Montane Lakeland 50 & 100 series, takes place from Ambleside to Coniston. This 16-mile night run is designed to help participants familiarize themselves with the course, as many will navigate this section in the dark during the main race. The event includes coach ..

The Maverick Original New Forest 2025 is a trail running event set in the picturesque New Forest National Park, taking place at Holmsley Campsite. Participants can choose from three scenic routes: 23 km, 15 km, and 6 km, designed to accommodate all levels of trail runners. The trails feature a mix o..

The Let's Run Adventures - Hardmoors 55 Recce is an annual running event that takes participants from Cod Beck to Helmsley, covering a challenging 25-mile section of the Hardmoors 55 route. This recce is particularly significant as it includes areas that many runners will navigate in the dark, featu..

The Wooler to Ingram is a 10-mile trail race set in the picturesque Northumberland countryside, taking place on January 18, 2025. The course begins in Wooler and follows the renowned Sandstone Way for the majority of the route, culminating at Ingram Village Hall. Participants will be transported fro..

The Alyn Waters Winter Trails event offers 5k and 10k trail running courses in a scenic country park, designed for participants of all abilities. The courses are fully marked and marshalled, ensuring a safe and enjoyable experience. With no time limits, runners can choose to race or simply enjoy the..

The Trails & Tarmac Backyard Ultra is an exciting running event set in the scenic Black Mountains near Crickhowell, Powys. Participants will tackle a 4.167-mile loop that combines both trail and tarmac surfaces, featuring a mix of flat terrain and a few climbs. The event encourages runners to comple..

The Punk Panthers North Leeds Greenway is an exciting trail running event that offers a unique experience for both novice and experienced runners. This race features various distances, including half-marathon to ultramarathon options, allowing participants to choose their challenge. The route showca..

The Twilight Run is set to take place at Tehidy Country Park on January 18, 2025, featuring distances of 2.5 km, 5 km, and 10 km. This event welcomes Canicross participants and offers personalized bibs, free race photography, and medals for all runners. It serves as stage 5 of the 2024-2025 Canicros..

Race The Light is an exciting running event set in the scenic Flete Estate, featuring an 8.5-mile classic race and a half marathon option. Participants will navigate through shadowy trails and cross the Erme Estuary twice, making it a unique challenge against the elements. The course is fully marked..

Haldon Night is an exciting winter night running event held annually at Haldon Forest, featuring 10K, 5K, 2K, and 1K trail races suitable for all ages and abilities. Participants can enjoy a single loop course for the 10K and 5K races, while children can take part in shorter distances. The event emp..

The Box Hill Fell Race is a renowned annual event, now in its 43rd year, taking place on a 12.8km circular course around Box Hill, featuring an ascent of 540 meters. The race is licensed by the FRA and starts and finishes at Burford Spur. Registration occurs at the Stepping Stones pub, and participa..

Dark Skies Surrey Hills is an exciting night trail running event set in the picturesque Surrey Hills, specifically at Denbies Wine Estate in Dorking. Participants can choose from various distances, including 5K, 10K, and 10 miles, along with kid's races for ages 3-11. The event emphasizes a unique e..

The Zigzag - Windmill Way Wander is a running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a flexible pace and a seven-hour cut-off time. The course features an ou..

Acorn South by Five - Queens Park is part of a series of 5km running events inspired by the Glasgow race, The South Side Six. This event takes place in six different parks over a ten-week period, with participants required to complete at least five races to finish the series. The event promotes comm..

The Benfleet 15 is an annual trail race organized by the Benfleet Running Club, celebrating its 34th anniversary in January 2025. This challenging 15-mile multi-terrain course features sections of the Canvey Island sea wall and the undulating Hadleigh Downs, making it a unique and demanding event fo..

The DirtRun Dudmaston 10K is an exciting off-road running event scheduled for January 19, 2025, at Comer Woods, part of the Dudmaston Estate. Participants will navigate a scenic 10km route through the beautiful trails of Comer Woods. The event offers category prizes, including real ale from Teme Val..

The Cross Country Series hosted by Ryde Harriers consists of three races held at Smallbrook Stadium in Ryde. The series includes a club championship for members, an Isle of Wight Championship, and a handicap race, with varying entry fees and eligibility criteria. Runners can participate in all races..