Trail Running Calendar United Kingdom 2025-2026

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 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 Welsh 3000 Challenge (14 Peaks) is a demanding mountain running and walking event held in Snowdonia, Wales, starting near Capel Curig. Participants aim to summit all 14 peaks over 3000 feet in a continuous journey covering about 50 km with nearly 4000m of ascent. Highlights include climbing Snow..

Rabbit Run Wales is a trail running event set on the private grounds of the Merthyr Mawr Estate along the South Wales coast. It features stunning 12K (7.5 miles) and new 40K (approximately 25 miles) races, plus junior races of 2K, 4K, and a toddler dash. The courses traverse beautiful trails, hills,..

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 event is limited to..

The Maverick X Series Chilterns 2025 is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers four challenging routes ranging from 12 km to an ultra 52 km, featuring significant e..

The Hughenden Valley 10K is a popular trail running event held around the National Trust's Hughenden Manor estate near High Wycombe. The 10-kilometer course features a hilly terrain with over 195 meters of elevation gain, winding through beautiful woodland and rural trails in Hughenden Valley. The r..

The NAV4 LiAD Recce from Helvellyn to Ambleside is a guided navigation and running event hosted by Joe Faulkner and the NAV4 team on behalf of Durty Events. Covering approximately 11 miles with 6,000 feet of ascent, the route traverses the Helvellyn range from Sticks Pass to Helvellyn, then down to..

The Hughenden Valley Half Marathon is a scenic trail running event held at the National Trust's Hughenden Manor and surrounding woodlands in the UK. Covering 21.1 km with over 450 meters of elevation, the course features woodland trails and challenging hills, offering a mix of ups and downs without..

The St Sunday Sky Race is a challenging 29km mountain trail race held in Patterdale, within the Lake District's Eastern Fells. Featuring 2050m of ascent, the course offers technical and varied terrain over St Sunday Crag and surrounding peaks, making it an ideal entry-level skyrunning event. The rac..

The Helvellyn Sky Ultra is a challenging 57km mountain race in the Lake District, featuring 3700m of ascent. Starting from Patterdale, this technically demanding course is inspired by Europe's premier ultra-distance sky races and is classified as a "Sky Extra" by Skyrunning UK. Runners traverse icon..

The Pewsey Vale Ultra is an exciting new running event featuring a challenging 125km loop through the picturesque Wiltshire countryside, following the Pewsey Vale Circular walk route. Participants will experience a total ascent of 1902m, with the course well-marked and supported by checkpoints every..

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..

Afoot in Two Dales is a challenging 50-mile event held in the Yorkshire Dales, featuring a 5,500ft ascent. The route forms a circuit through the scenic dales of Wensleydale and Swaledale, including an ascent of Great Shunner Fell. Participants navigate footpaths, bridleways, and quiet roads, startin..

Dusk Till Dawn is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three distinct 10-mile mixed terrain routes, including hills, technical downhill forestry trails, and minimal road sections, aiming to complete as many loops as possible from..

The Chocolate Run in York is a multi-distance running event held at York Knavesmire, featuring a 3.41-mile multi-terrain loop. Participants can choose to run one, two, or three loops on the day, with no time cut-offs, making it suitable for all levels. The event includes a family-friendly 1-mile fun..

The Cracoe Fell Races, held near Cracoe on the B6265 between Skipton and Grassington, is a challenging fell running event organized by the British Open Fell Runners Association (BOFRA). The race covers 2.6 miles (4.2 km) with a climb of 900 feet (274 meters), starting with a gentle run through field..

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

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..