Trail Running Calendar United Kingdom 2025-2026

Manvers Dusk Till Dawn is an overnight endurance running event held around Wath Manvers Lake on a flat, 3.21-mile off-road circuit. Participants run as many laps as possible within a 12-hour window, from Saturday evening to Sunday morning, with the flexibility to start, stop, and rest as they choose..

The My Little Care Bear Run, organized by Saturn Running, takes place at Dare Valley Country Park in Aberdare, Wales. This nostalgic 1980s-themed event offers a 7-hour time challenge where participants can run multiple laps of a scenic course featuring well-maintained footpaths with beautiful countr..

The FREE Backyard Ultra Taster Session is a casual, guided group run held at Vigo Rugby Club in Meopham, UK. Participants can experience the Backyard Ultra format by running one or both of the official Day Yard and Night Yard loops, each 4.1 miles long, used in the Kent Backyard Ultra Series. Runner..

The Boudicca Way 50km Ultra is a beginner-friendly ultramarathon held in Norfolk, England, following the scenic Boudicca Way Long Distance Path from Diss to Norwich. The route parallels the historic Roman Road (A140) and passes through charming villages including Pulham Market, Fritton, Saxlingham,..

The St Sunday Sky Race is a challenging 29km mountain trail race with 2050m of ascent, held in the Lake District's Patterdale area. This classic skyrunning event features technical trails over St Sunday Crag and the Eastern Fells, offering a demanding yet accessible introduction to sky races. The co..

The Dragon Coastal Ultramarathon, held along the Wales Coast Path, offers three ultra-trail race distances: 100 miles from Rhossili Bay to Cardiff Bay, 50 miles from Kenfig Nature Reserve to Cardiff Bay, and approximately 30 miles from Dunraven Bay to Cardiff Bay. The routes are non-technical and ea..

The Rab Pinnacle Ridge Extreme is a challenging 28km skyrunning race with 2700m of ascent, held in the Lake District around the Helvellyn Massif near Patterdale. Known for its technical and demanding terrain, the course features hands-on rock scrambling, knife-edge ridges, scree descents, and five g..

The Hampsthwaite Feast Run is a historic 5-kilometre cross country race held in Hampsthwaite, Yorkshire, as part of a weekend event with over 700 years of tradition. The undulating single-lap course starts and finishes in Hampsthwaite, showcasing the scenic local countryside. The race is limited to..

The NAV4 LiAD Recce from Helvellyn to Ambleside is a guided recce event hosted by Joe Faulkner and the NAV4 team on behalf of Durty Events. Taking place in the Lake District, this 11-mile route features approximately 6,000 feet of ascent, covering key sections including Sticks Pass, Helvellyn, Grise..

The Highlander Last One Standing is a unique endurance event held at the scenic Blair Castle Estate in Blair Atholl, Pitlochry. Participants must complete a 4.167-mile loop every hour, on the hour, with a 400ft elevation gain, continuing until only one runner remains. The course, though not flat, is..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

The Sir Titus Summer Trot - Day 2 is a scenic trail running event held along the flat, even towpath of the Leeds and Liverpool Canal near Saltaire, Shipley, West Yorkshire. Suitable for all abilities, it offers six distances ranging from 5K to Ultra Marathon, making it ideal for novices and experien..

The Pete Bland Kentmere Horseshoe is a challenging medium-distance fell race held in the Lake District, England. Covering 12.3 miles (19.8 km) with 3,300 feet (1,006 m) of ascent, the course forms a clockwise horseshoe around the Kentmere Valley, featuring iconic peaks such as Ill Bell, High Street,..

The Borrowdale Trail Half Marathon is a scenic 21-kilometre trail race held in Keswick, Cumbria, along the shores of Derwentwater and surrounding fells. The hilly course offers varied terrain and stunning views, making it ideal for trail running enthusiasts. The route is well-marked, requiring no na..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Wye Valley Tunnel Run is a scenic running event held at Wyedean School in Sedbury, UK, featuring 10km, half marathon, and marathon distances. The courses primarily follow the flat, shaded Wye Valley Greenway, an old railway line, including a unique 1.1km stretch through the refurbished and lit T..

Bright Skies Surrey Hills is an exciting daytime trail running event held at Denbies Wine Estate in Dorking, UK. The event features a marathon, half marathon, 10K race (including canicross options), and kid’s races of 1K and 2K for ages 3-12. The course offers an undulating route through Surrey’s ro..

The Winwick Hall Trail Races, held at the scenic Winwick Hall Estate in Northamptonshire, offer fully marked and marshaled trail runs over 10k and 5k distances, plus a 2k children's fun run for ages 4-12. The courses feature varied terrain including grassland, country paths, and hard-packed trails,..

The Borrowdale 21k Trail Race, organized by Fellside Events, is a scenic trail running event held in the Borrowdale Valley near Keswick, UK. Covering 21 kilometers with 550 meters of ascent, the course offers a varied terrain including lakeshore trails, woodland paths, rocky singletracks, and bridle..

The Gecko Gathering - Harlyn 2025 is a coastal running event held in Cornwall, Great Britain, featuring two distances: a 10.5 km and a half marathon (21 km). The half marathon route runs from Harlyn Beach to Padstow and back, while the 10.5 km race goes from Padstow to Harlyn, both following the sce..