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 Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run laps of approximately 4.37 miles (7 km), with options to complete distances from a minimum of 3 km up to ultra..

Ranger Ultras’ HP18km Trail Run is a mid-distance, off-road challenge in the Peak District, starting and finishing in Whaley Bridge, High Peak, Derbyshire. Runners cover 18km along an out-and-back route to the upper Goyt Valley, with about 488 metres of ascent. It’s described as a low-key, great-val..

Ranger Ultras High Peak 70/100km Ultra is a two-distance trail race based in Whaley Bridge, Derbyshire. Runners choose between 70km and 100km routes, retracing the Cromford and High Peak Railway with an out-and-back course from Whaley Bridge to Newhaven (70km) or Middleton Top near Cromford (100km)...

Punk Panther Nidderdale Way is a trail ultramarathon set on the Nidderdale Way in North Yorkshire, England. It offers four distances — 13, 20, 32 and 55 miles — with significant elevation gain and iconic Nidderdale scenery, including Ripley Castle, Brimham Rocks, Scar House Reservoir and How Stean G..

November 2026

Set on Cornwall’s coast, The Lighthouse Marathon and Ultra converges at Sunset Surf Cafe in Gwithian. The Marathon traces a rugged 26-mile coast-path from Pendeen to Godrevy Lighthouse, exposing runners to mud, wind, rocks, sand and tarmac with substantial climbs. The Ultra, starting at Lands End’s..

The Windsor Trail Run takes place on Sunday 8 November 2026 at Alexandra Gardens, Windsor SL4. The event offers a trail half marathon and a 10K on mainly flat, off-road trails in royal Berkshire. Routes start and finish from Alexandra Gardens and pass through parkland with seasonal scenery. Distan..

The Saturn Remembrance Run 2026 - North East takes place in Durham City at the Durham Amateur Rowing Club. This inclusive trail running event features a timed challenge lasting 6 hours and 32 minutes, allowing participants to run distances from a minimum of 3km up to ultra distances, with laps of ap..

Dawn Two Dusk, organized by Mad Running Junkies, is a 12-hour night-to-dawn endurance event staged at Bridgend Miniature Railway in Bridgend, South Wales (Fountain Road, Aberkenfig, Tondu). The format features three roughly 10-mile loop routes that participants can complete as many times as possible..

Punk Panther Wharfedale Skyline is a Punk Panther Ultra Marathons event in West Yorkshire, offering three trail distances: 13 miles (half marathon), 20 miles, and 35 miles (ultramarathon). The route hugs the hills around Otley, Ilkley and Guiseley, with standout tests including Otley Chevin’s Surpri..

Devil's Punchbowl 10km is a guided trail run organized by Running Adventures. The route starts at Devil's Punchbowl Car Park in Hindhead, Surrey, and covers about 10km of scenic trails around the Devil's Punchbowl, a natural amphitheatre famed for its views and rolling hills. The run is designed to..

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 28, 2026. This 7-hour timed event features a scenic 5.3 km out-and-back course on an old disused train line, fully paved and accurately measured as a road race. Suitable for..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place on Sunday, 29th November 2026 near Capel Lane, Littleham, Exmouth. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as possible on a scenic, undulating, and accurately m..

Serpent Trail Ultra Run is a 30-mile guided trail run starting and finishing in Haslemere, Surrey. Run by Running Adventures, the route showcases the Serpent Trail and the Sussex Border Path, including a visit to the Temple of the Winds lookout with views across the South Downs. The course winds thr..

December 2026

Box Hill Vertical KM is a guided trail run organized by Running Adventures near Box Hill, Dorking, Surrey. The route covers about 12.5 miles and is designed to deliver roughly 1000 metres of elevation in a compact distance, with no hill-repeats. Runners traverse woodland, heathland, and open fields,..

Fordh Sen Mighal is a festive running event in Cornwall, hosted by Bys Vyken Events. The race starts near St Uny’s Church in Lelant (TR26 3DY) and follows a point-to-point course along the European cultural route from Lelant to Marazion, sweeping along coast and countryside from the North coast to t..

The Saturn 7 Hour Time Challenge in Durham, known as the Snow Globe Gallop, is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run laps of a 4.37-mile (7km) course, with options to complete distances from a m..

Punk Panther Christmas Cracker is a winter ultramarathon and trail challenge in Otley, West Yorkshire. Runners can choose from 12, 19, or 32 miles, with climbs of about 1,700, 2,200, and 3,400 feet respectively. The route is a mystery that can change each year.The race starts with the slowest runner..

Nightmare Before Xmas Trail ½ Marathon, organized by Mad Running Junkies, takes place at Bridgend Miniature Railway Centre in Aberkenfig (Tondu), near Bridgend. The course splits into an 8-mile opening section, The Hateful Eight, followed by roughly 5 miles of mud, water, hills, and a forestry trail..

May 2027

The MTC GLAISTIG is a single-day ultra running event of 31.3 miles from the Traquair Arms Hotel in Innerleithen to Travelodge Edinburgh Airport, Ratho Park. It is the first edition of this race and forms Day 2 of the nine-day MTC SCOTIA end-to-end challenge. Route data lists 2,793 ft of ascent and..

The MTC NUCKELAVEE is a single-day ultra running event on 31 May 2027 and is Day 3 of the nine-day MTC SCOTIA End to End Challenge. It is the first edition of this race. Entry is limited to 20 regular competitors with an additional allowance of 20 for SCOTIA entrants, giving a maximum field of 40...