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 1381 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 Greener Earth Trail Series at Pippingford Park features two eco-friendly trail races designed to provide an exhilarating running experience while minimizing environmental impact. Set in the picturesque Ashdown Forest, participants can choose between a 5-mile or 10-mile course, with the second ra..

February 2026

Pendle Way In A Day is a challenging winter ultra event taking place in East Lancashire, featuring a scenic route of approximately 45 miles with a 6,100 ft ascent, alongside a shorter 30-mile option. Participants can choose to walk or run, starting from Barley at the foot of Pendle Hill. The event s..

March 2026

The Tyne Bridges to Boundaries Ultra is an exciting 34-mile running event set to take place in Newcastle Upon Tyne. Inspired by the Audax spirit of cycling, this ultra marathon encourages participants to challenge themselves while enjoying the scenic beauty of the region. The event emphasizes person..

The Ranger Ultras PB55km Ultra is a trail running event designed for participants of all skill levels, from beginners to elite athletes. Set in the scenic White and Dark Peak District, the course features a mix of fast trails and challenging ascents, with a total ascent of 1711 meters. Runners can e..

The Pennine Bridleway PB18km Trail Running event is an 18km trail running adventure designed for participants of all skill levels, from beginners to elite athletes. Set against the stunning backdrop of the Peak District, the course features a mix of fast trails and challenging ascents, with a total ..

April 2026

The MTC Gelert is a challenging 47-mile ultra marathon that takes place as part of the Mount to Coast End to End Challenge Series. The race starts in Barmouth and follows the scenic National Cycle Route 8 to Llanidloes. It is also the third day of the CYMRUN, a six-day event covering various unique ..

The MTC Afanc is a challenging ultra marathon event covering approximately 39.8 miles along the scenic National Cycle Route 8, from Glasbury to Merthyr Tydfil. Scheduled for April 18, 2026, it is part of the Mount to Coast End to End Challenge Series and serves as Day 5 of the CYMRUN, a six-day endu..

The MTC Y Draig Goch is a challenging ultra-running event set for April 19, 2026, covering a distance of 47 miles. It is part of the Mount to Coast End to End Challenge Series and takes participants along the scenic National Cycle Route 8, starting from Travelodge in Merthyr Tydfil and finishing at ..

May 2026

The MTC Glaistig is a 31-mile ultra marathon that forms part of the Mount to Coast End to End Challenge Series. Set in Scotland, this event takes participants from Innerleithen to Travelodge Edinburgh Airport, and it also serves as Day 2 of the SCOTIA challenge, a nine-day multi-race event. Competit..

June 2026

The MTC Nuckelavee is a challenging 41-mile ultra marathon, part of the Mount to Coast End to End Challenge series. This event takes place on a single day, starting from Travelodge Edinburgh Airport and finishing at Travelodge Perth. It is also the third day of the nine-day SCOTIA challenge, which c..

The MTC Grimalkin is a 34-mile ultra marathon, part of the Mount to Coast End to End Challenge series in Scotland. This event takes place from Travelodge Perth to Atholl Guest House in Pitlochry, marking Day 4 of the Scotia challenge. Participants must maintain a minimum pace of 4 mph to avoid disqu..

The MTC Beithir is a challenging 39-mile ultra marathon that forms part of the Mount to Coast End to End Challenge Series. Scheduled for June 4, 2026, this event takes participants from Kingussie to Inverness, marking Day 6 of the SCOTIA series, which encompasses a nine-day marathon across Scotland...

The MTC Selkie is a challenging 43-mile ultra marathon, part of the Mount to Coast End to End Challenge Series in Scotland. This event takes place from Dornoch to Dunbeath and is also recognized as Day 8 of the MTC Scotia, a nine-day multi-race series. Participants can expect a unique experience, wi..

The MTC Kelpie is a 38-mile ultra marathon race, part of the Mount to Coast End to End Challenge series, taking place in Scotland. This event marks Day 9 of the SCOTIA challenge, which spans nine days and covers a total of 366 miles. The race begins at Inver Caravan Park in Dunbeath and concludes at..

July 2026

The MTC Boggart is a 38-mile ultra running event that marks the first day of the Mount to Coast Albion challenge, a 13-day end-to-end race across England. Starting from Gretna Green and finishing at the Kings Arms Hotel in Penrith, participants will follow a scenic route similar to the MTC JOGLE eve..

September 2026

The Robin Hood 100 is a scenic ultra-marathon event covering a distance of 100 miles, set to take place in September 2026. The course features runnable trails through Sherwood Forest, known for its flat terrain and gentle undulations, making it suitable for both new and experienced runners. Particip..

The Three Towers Ultra is a challenging running event featuring two distances: 39 miles and 55 miles, set in the scenic West Pennine moors of Lancashire. Participants will navigate through rugged terrain while visiting three iconic towers: Jubilee, Rivington, and Peel. The course is unmarked, requir..

The Yorkshire 3 Peaks 70/100km Ultra is a renowned trail running event taking place in North Yorkshire, designed for both novice and elite ultra-racers. Participants can choose between a 70km route, which includes the iconic peaks of Whernside, Ingleborough, and Pen-y-Ghent, or extend their challeng..

The Ranger Ultras Yorkshire Pen-Y-Ghent 50k is an exciting ultra-running event designed for participants of all skill levels, from beginners to elite athletes. Set against the stunning backdrop of North Yorkshire, the route features classic limestone trails and a total ascent of 1280 meters. The rac..

October 2026

The Ranger Ultras High Peak Ultra is an exciting running event featuring two distance options: 70km and 100km. Set against the scenic backdrop of the historic Cromford and High Peak Railway, participants can choose their distance on the day, with generous cut-off times and support from a dedicated s..