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 1285 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 Yorkshire 3 Peaks 70/100km Ultra is a challenging trail running event held in North Yorkshire, starting and finishing at Hawes Market House. The original ultra-distance race covers 70 km with 2,185 meters of ascent, traversing the iconic Yorkshire Three Peaks—Whernside, Ingleborough, and Pen-y-G..

The Ranger Ultras Yorkshire Pen-Y-Ghent 50k is a 50-kilometer ultra running event set in the inspiring North Yorkshire countryside. Starting and finishing at Hawes Market House, the course follows classic limestone trails, including the historic Cam Road and a summit of Pen-y-Ghent, with a total asc..

October 2026

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the course features rolling hills and stunning views, supported..

The Sheffield Tententen is a popular multi-terrain trail running event held annually in Endcliffe Park, Sheffield. Featuring a 10k race and a 2.5k fun run for children aged 4 to 14, it attracts over 1,000 participants each year. The course offers a creative mix of grass, road, paved paths, and woodl..

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..

The Ranger Ultras High Peak Ultra is a challenging trail running event held in Derbyshire, UK, featuring two distance options: 70km and 100km. The course retraces the historic Cromford and High Peak Railway, starting from Whaley Bridge and passing through scenic areas including the Goyt Valley, Buxt..

The Ranger Ultras High Peak HP18km Trail Run is an 18-kilometer trail running event held in the Peak District, starting and finishing in Whaley Bridge, Derbyshire. The course features a mix of fast trails and challenging ascents through the upper Goyt Valley, offering 488 meters of total ascent and..

The Punk Panther Nidderdale Way is an epic trail running event held in the scenic Nidderdale area of North Yorkshire, England. The race features four distances—13, 20, 32, and 55 miles—covering iconic landmarks such as Ripley Castle, Brimham Rocks, Scar House Reservoir, and How Stean Gorge. The cour..

November 2026

The Lighthouse Marathon and Ultra is a challenging running event held in Cornwall, starting at Pendeen and finishing near Godrevy Lighthouse. The marathon covers 26 miles along a demanding coastal path featuring mud, water, rocks, sand, tarmac, big climbs, and dunes, with over 4,000 feet of elevatio..

The Windsor Trail Run, taking place on November 8, 2026, is a scenic trail running event set in Alexandra Gardens, Windsor, Berkshire. Offering both 10K and half marathon distances, the course features flat, off-road trails with gentle elevation gains (29m for 10K and 58m for half marathon), ideal f..

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..

December 2026

The Fordh Sen Mighal is a popular point-to-point running race held in Cornwall, UK, attracting runners from the South West annually. The course follows the European cultural route from Lelant, near St Uny's Church, on the north coast, to Marazion on the south coast, offering a scenic run through bea..

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..

May 2027

The MTC Glaistig is a challenging 31-mile ultra marathon held in Scotland, forming Day 2 of the nine-day Mount to Coast SCOTIA End to End Challenge. Starting at the Traquair Arms Hotel in Innerleithen and finishing at Travelodge Edinburgh Airport, the race features a demanding course with approximat..

The MTC Nuckelavee is a challenging 41-mile ultra marathon held in Scotland, forming Day 3 of the nine-day Mount to Coast End to End Challenge known as SCOTIA. The race starts at Travelodge Edinburgh Airport and finishes at Travelodge Perth, covering varied terrain with a total ascent and descent of..

June 2027

The MTC GRIMALKIN is a challenging 34.5-mile ultra marathon held in Scotland, running from Travelodge Perth to Atholl Guest House in Pitlochry. It forms Day 4 of the nine-day Mount to Coast SCOTIA End to End Challenge, covering a scenic route with approximately 3,126 feet of ascent and 2,806 feet of..

The MTC BEITHIR is a challenging 39-mile ultra marathon held in Scotland, forming Day 6 of the nine-day MTC SCOTIA End to End Challenge. The race starts at Forces Manor in Kingussie and finishes at Travelodge Inverness, covering rugged terrain with 2,256 ft of ascent and 2,978 ft of descent. Limited..

The MTC SELKIE is a challenging 43-mile ultra marathon held in Scotland, forming Day 8 of the nine-day Mount to Coast SCOTIA End to End Challenge. The race starts at the Eagle Hotel in Dornoch and finishes in Dunbeath, featuring a route with approximately 3,880 feet of ascent and 3,743 feet of desce..

The MTC Kelpie is a challenging 38-mile ultra marathon held in Scotland, forming Day 9 of the nine-day MTC Scotia End to End Challenge. The race starts at Inver Caravan Park in Dunbeath and finishes at John O'Groats, featuring a route with approximately 1,753 feet of ascent and 1,929 feet of descent..

July 2027

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the course and atmosphere are not provided, the event typically attr..