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 1436 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 Derwentwater 10 is a renowned road race organized by Keswick AC, set to take place on November 2, 2025. This 10-mile race features a scenic route that loops around Derwent Water, offering an undulating course entirely on tarmac. Participants will gather at Keswick School, which provides essentia..

The Delamere Forest 21k and 42k event, organized by RunThrough UK, will take place in November 2025. Set in the picturesque Delamere Forest, this trail race offers participants a chance to experience stunning scenery while navigating through the forest, around Blakemere Moss, and along the Sandstone..

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The Shepshed 7 is an annual running event organized by Shepshed Running Club, scheduled for November 2, 2025. It features a scenic, traffic-free, two-lap course through Garendon Park countryside. The main race is a 7-mile challenge open to participants over 16, with prizes awarded in various categor..

Old Mother Shipton's Soft Shoe Shuffle is a scenic trail running event held in Knaresborough, North Yorkshire. Participants can choose from various distances, including a 10k, half marathon, 20 miler, marathon, and ultra, all set along a beautiful 6.5-mile route. The course features gentle climbs th..

The Tunnel Vision night run in Market Harborough is a unique 5-mile out-and-back race held in early November 2025. Participants can choose to run either the Night Run at 7:30 pm or the Dawn Run at 6:30 am, with the option to do both. The course features the impressive Oxendon Tunnel, which is lit fo..

The Swinsty & Fewston Reservoir Autumn Day 1 event, organized by It's Grim Up North Running, features a scenic 6.6-mile loop around the picturesque Fewston and Swinsty reservoirs. Participants can enjoy the stunning autumn colors and tranquil off-road terrain. The event includes well-marked routes,..

Enigma Fireworks is a running event taking place on November 7th and 8th, 2025, at Caldecotte Lake in Milton Keynes. The event features both a marathon and a half marathon on each day, with participants completing scenic laps around the lake. Runners can expect a supportive environment with race bri..

The Druid's Challenge is a three-day ultra marathon event covering 134 kilometers (83 miles) along the historic Ridgeway, set in the picturesque hills and countryside of the UK. Participants can choose to enter for one or multiple days, with accommodations and meals provided. The event includes full..

The Swinsty & Fewston Reservoir Autumn Day 2 event, organized by It's Grim Up North Running, features a scenic 6.6-mile loop around the picturesque Fewston and Swinsty reservoirs. Participants can choose to run one day or all four, enjoying the stunning autumn colors and tranquil off-road terrain. T..

The Dava Way 50K is an ideal ultra marathon for both novice and experienced runners, featuring a predominantly flat and lowland route. This scenic trail connects the historic towns of Grantown-on-Spey and Forres, primarily following the old Highland Railway line. Participants will enjoy diverse land..

The Freedom Racing - 5 Trails Ultra & 3 Trails is an exciting trail running event set in the picturesque South Downs. Participants can choose between a challenging 50k Ultra, which traverses five distinct long-distance trails, or a more accessible Half Marathon covering three trails. The event promi..

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The Poole Half Marathon MoRun is a vibrant running event held at Upton Country Park, featuring 1.5k, 5k, 10k, and half marathon distances. This event aims to inspire participants of all ages to engage in running while raising awareness and funds for men's health through the Movember charity. Runners..

The Warrington Way is a 40-mile ultramarathon trail race starting and ending in Lymm, Cheshire. The route predominantly follows tracks, footpaths, country lanes, and field crossings around Warrington, with waymarkers and navigation required. Runners can participate solo, as a pair, or in a four-pers..

The John Muir Way Nocturnal Ultra Marathon is a unique night-time ultra running event held at Balgone Estate, East Lothian, Scotland. Participants have six hours to complete as many laps as possible of a well-marked 5km off-road trail loop. The race features a vibrant atmosphere with music, lights,..

Moonlight Meander is an exciting trail running event organized by It's Grim Up North Running, set in the scenic landscapes of Yorkshire. Participants can choose between a 4-mile or 8-mile looped course, navigating through the woods with head-torches, fairy lights, and lanterns. The course features u..

The South Downs Trail Run is a scenic off-road race held in the South Downs National Park, starting from Goodwood Racecourse. Participants can choose from three distances: 12km, 19km, and 21km, each offering stunning views of the South Downs, North Downs, Chichester Harbour, and the Isle of Wight. T..

The Dirt Half Challenge is a renowned half marathon trail race held in Leighton Buzzard, Bedfordshire. Celebrated for its stunning course, the event features a scenic route that includes an anti-clockwise lap of Tiddenfoot Waterside Park, the picturesque Grand Union Canal towpath, and beautiful coun..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Big Night Out Winchester is an exciting night-time trail running event set in the scenic surroundings of Winchester, Hampshire. Participants can choose between a 22km or 12km course, both illuminated by headtorches as they navigate the trails and pathways. The event features a fully marked route wit..

The Salt Settlers Six Hour Race is a competitive event held in the Lower Otter valley, offering participants the chance to run or walk as many 4.4 km loops as possible within six hours. The course is mostly flat, with minimal elevation gain, and is suitable for both solo competitors and pairs in rel..