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 1297 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 Stickle Grind 650 is a challenging vertical race set in the stunning Lake District, featuring a 2.4km uphill course with a demanding 650m ascent to the summit of Harrison Stickle. This event tests participants' endurance and lung capacity, making it a true struggle of will. Runners can enjoy a f..

The Blair Castle Trail Weekender is an exciting trail running event set to take place from May 30 to June 1, 2025, in the scenic grounds of Blair Castle, Scotland. This festival offers a variety of races catering to all abilities, including distances from a Kids Fun Run to the challenging 60km 'Full..

The Hardmoors 160 is an ultramarathon event scheduled for May 30, 2025, covering a challenging distance of 160 miles with an ascent of 22,000 feet. Starting at Sutton Bank, the race follows the Cleveland Way and the Tabular Hills Route, culminating at Helmsley. Participants have 50 hours to complete..

The Dartmoor Prison Break is an exciting running event taking place at HMP Dartmoor, where participants aim to cover the furthest distance on foot within a set time. Competitors can choose their own routes while avoiding wardens, with three categories available: 6-hour 'Absconder', 12-hour 'Delinque..

The Cairngorms Ultra is a thrilling ultra trail race set in the stunning Cairngorms National Park, the largest national park in the UK. Scheduled for May 31, 2025, this 60 km race features an ascent of 1006 meters, taking participants through breathtaking Highland scenery, ancient pine forests, and ..

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The Hardmoors 110 is an ultramarathon event that takes place along the scenic Cleveland Way National Trail, encircling the North Yorkshire Moors and the Cleveland Heritage coastline. Starting in Filey, participants have 36 hours to complete the challenging 110-mile single-stage trail race. The route..

The Grasmere Gallop is an exciting outdoor festival scheduled for May 31st and June 1st, 2025, featuring a variety of running events suitable for all abilities. Participants can choose from options like a 5.7km fun run, 10km trail runs, a Nordic walk, and a marathon, along with a special Teddy Bear ..

The Norn Iron Ultra will take place in Ballintoy from Saturday 31 May 2025 to Sunday 1 June 2025. You can run between 100 and 100 miles.

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The Scafell Sky Race is a challenging 40km trail running event set in the stunning Lake District, featuring a significant ascent of 2800m. Designed as an introduction to skyrunning, the race takes participants through technical, single-track trails, offering a point-to-point journey that tests both ..

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The Great Langdale 21 is a scenic and challenging 21km trail run set in the stunning landscapes of Great and Little Langdale, starting from the New Dungeon Ghyll Hotel. This event is part of the Rab Scafell Sky Race Weekend and features a fully marked route with 850m of ascent, offering participants..

The Three Castles 50km Ultra Marathon invites participants to run along the scenic River Medway, passing three historic castles and charming villages. This event is designed for both seasoned ultra runners and newcomers, featuring a flat course with well-stocked aid stations. The route begins in Roc..

The Beat the Sunset 50km is a multi-terrain ultra marathon held in the Thames Valley, designed for both newcomers and experienced runners. Participants must complete the course before sunset, which adds an exciting challenge to the event. The race features a flat, single-lap route that includes scen..

OMM Lite is an exciting outdoor challenge set in the scenic Grasmere area, where participants aim to locate as many checkpoints as possible within a designated time frame. Teams or individuals will receive a map indicating the checkpoints and their point values, relying solely on the map and a compa..

The Wild Fox Trails - Ambleside will take place in Ambleside on Saturday 31 May 2025.

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race that traverses the entire length of The Ridgeway National Trail, from Ivinghoe Beacon in Hertfordshire to the Avebury Stones in Wiltshire. This historic route has been in use for over 5,000 years. Scheduled for May 31, 2..

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June 2025

The BOFRA - Kettlewell will take place in Kettlewell on Sunday 1 June 2025.

The Oliver Fisher 10K & 5K is a charitable running event taking place at Milton Creek Country Park, designed to raise awareness and funds for the Oliver Fisher Special Care Baby Trust. Scheduled for June 1, 2025, this event celebrates the charity's 40th anniversary and features a family fun event po..

The L100 Recce 4 event, taking place from Pooley Bridge to Ambleside, is part of the Montane Lakeland 50 & 100 recce days designed for competitors to familiarize themselves with the course. Covering a distance of 26 miles, this recce includes challenging climbs to Mardale Head and Kentmere. Particip..

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. This year marks its fifth edition, featuring various distances including 5k, 10k, half marathon, full marathon, and a 50k ultra, all run on a 400-meter athletics track. Participa..

The Coombe Hill Fell Race is an exciting 7km fell run, categorized in the BS Category by the Fell Running Association. Set in Wendover, Bucks, the race features a challenging course with steep climbs and descents. Participants can enjoy a fun atmosphere, with entry fees of £5 for general participant..