Trail Running Calendar United Kingdom 2025-2026

The South Coast Challenge will take place in Eastbourne on Saturday 6 September 2025. You can run between 16 and 63 miles.

The Malham 10K Trail Race, held at Malham Show Field in the UK, is the third event in the Due North Trail Trilogy. This scenic trail run takes participants through iconic landscapes including Malham Cove and Malham Tarn. The course features a challenging climb up to Weets Top, followed by a rewardin..

Dartmoor in a Day Ultra is a fully supported endurance event held in Dartmoor, UK, offering two distances: a challenging 50 km ultra and a 30 km challenge. The route starts in Okehampton (30 km starts at Postbridge) and finishes at Ivybridge, traversing wild, open moorland and passing notable landma..

The Whythra Bys Vyken 100's - Bude to Hayle is a challenging 100-mile trail running event in Cornwall, forming part of a series of ultra-distance routes. This team-based event involves six runners starting together and navigating the course with self-navigation, supported by a crew providing water,..

The RunThrough Snowdonia Sea2Sky Trail Races, held in September 2025 at Barmouth, UK, offer two challenging distances: 25k and 53k. Set in the stunning landscapes of Snowdonia, this event features exhilarating trail routes with breathtaking views. Participants benefit from a fully marshalled course,..

The Bullock Smithy Hike / Ultra 56 is a challenging 56-mile circular hike or ultra-run held annually in the Peak District, starting and finishing in Hazel Grove. Organized by the 3rd Hazel Grove Scout Group, the event takes place over the first full weekend in September. Participants navigate an unm..

The RIDUM 2025 is a challenging 30-mile ultra marathon set along the Rhymney Valley Ridgeway Walk in South East Wales. Participants will traverse varied terrain, including lanes, trails, and woodland, with a total elevation of 4,252 feet. The route features notable points such as Mynydd Machen, the..

The Cross Keys Road & Fell Relay is a unique team running event held at the Cross Keys Inn in Uppermill, UK. Teams of four runners compete in a relay featuring two road legs of 3 miles each and two fell legs of 2.5 miles each. The road legs consist of two laps on a hilly circuit, while the fell legs..

The Across Wales Walk is a classic challenge walking event held annually, now in its 62nd year. Participants walk or run a demanding 45-mile linear route across Wales, starting at Anchor Bridge on the English border near Clun and finishing at Clarach Bay near Aberystwyth on the Welsh coast. The cour..

The Heights Ultra Trail: The Wessenden (27k) is a scenic 27-kilometre trail run held in Colne Valley, West Yorkshire. The circular course features mixed terrain including country lanes, trails, and catchwater paths, offering an undulating but runnable route through the iconic Colne Valley. Starting..

The Yr Wyddfa Ultra 50 is a challenging 45-mile ultramarathon held in Snowdonia National Park, Wales, starting and finishing in the picturesque village of Betws-y-Coed. Featuring 3,254 meters of ascent, the mountain trail course includes iconic landmarks such as Heather Terrace on Tryfan, the summit..

One Foot in the Gargrave is a 23-mile walk or run event starting from Gargrave Village Hall in Skipton, North Yorkshire, set in the scenic Malhamdale area. The route passes through picturesque locations including Kirkby Malham, Street Gate, Boss Moor, and Eshton. Participants must complete the cours..

The Shere 42k, 21k & 10k Multi Terrain Event is a popular trail running competition set in the picturesque Surrey Hills, recognized as an Area of Outstanding Natural Beauty. Participants can choose from three distances: a scenic 10k, a challenging 21k, or a full marathon at 42k. Each route features..

The RAMSDEN (50k) is an ultra trail running event held in Huddersfield, starting and finishing at Colne Valley High School, Linthwaite. The circular 50-kilometer course features wonderful trails, open moorland, and stunning vistas, with waymarked routes and several checkpoints. The event welcomes ru..

The Battle of the Borders is an exciting trail running event set in the picturesque Shropshire Hills, offering participants the choice of a Half Marathon (13.1 miles) or a full Marathon (26.2 miles). This single-lap course begins and ends at Carding Mill Valley, a National Trust area, providing stun..

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon held in Snowdonia National Park, Wales, featuring 5,788 meters of ascent across stunning mountainous terrain. The race starts and finishes in Betws-y-Coed and includes 10 well-supported checkpoints offering refreshments and medical aid...

The Ingleton Three Counties Fell Race is a challenging fell running event held in the Yorkshire Dales village of Ingleton. Scheduled for September 2025, the race covers 31.5 km (19.5 miles) with 1580 meters (5184 feet) of climbing. The course follows a high-level route around the watershed of two ri..

The Glenmore 24 Trail Race is a challenging 12- or 24-hour trail running event held in the scenic Glenmore Forest near Aviemore in the Scottish Highlands. The course features a 4-mile loop starting at the Hayfield, winding through forest trails and passing Loch Morlich, offering a fully off-road exp..

The Old Crown Round is a challenging category AL fell race held in the Northern Fells of the Lake District, starting and finishing in the village of Hesket Newmarket. Covering approximately 36 km (22.4 miles) with 2200 meters (7218 feet) of ascent, the course loops around prominent summits including..

The Maverick Lakes Osprey 2025 is a challenging trail running event set in the iconic Lake District, starting from Grasmere. It offers four route options: Ultra (52 km, +2858 m elevation), Long (44 km, +2367 m), Middle (25 km, +1131 m), and Short (14 km, +617 m). The course features rugged climbs, t..