Trail Running calendar near Kempston 2025-2026

BRJ Run & Tri presents the Ouse Valley Way Marathon and Half Marathon, held on 21 September 2025 in Huntingdonshire. The event follows the Ouse Valley, a scenic, flat route designed along grass, gravel and tarmac paths. The classic route runs from Earith to Eynesbury, offering river views and rural..

The Clipston Trail Half and Country 5 Miler is a scenic trail running event held in the countryside around Clipston, near Market Harborough. The event features two distances: a half marathon and a 5-mile race, ideal for both seasoned trail runners and beginners. The courses start and finish at Clips..

The Creative Juices 10km is a scenic trail running event held at Woodoaks Farm near Rickmansworth, home to the Creative Juices Brewing Company. The course is predominantly off-road, featuring woodlands, footpaths, and bridleways, making it suitable for all abilities. Runners start and finish at the..

The Manuden 10K is an annual running event held in Manuden, featuring 10K, 5K, and 1K races. The course primarily runs off-road through fields surrounding the village, starting on Rickling Road, which is closed for the event, then continuing on bridleways and footpaths. Water stations are available..

Cirencester AC’s Chedworth Roman Trail offers two trail races set in the Cotswold countryside near Cirencester, Gloucestershire. The 10-mile (ish) single loop and a newly added 5-mile (ish) loop pass through Stowell Park, the Coln Valley, and close to the Chedworth Roman Villa. It’s a challenging mu..

The Cannock Chase Trail Runs take place in the scenic Cannock Chase Forest near Rugeley, north of Birmingham, designated as an Area of Outstanding Natural Beauty. The event offers 5km and 10km trail runs suitable for all abilities, with no cut-off times, making it accessible to everyone. Participant..

Phoenix Striders Dunton Demon Races return at Langdon Nature Discovery Park in Basildon, Essex. The event offers three race options: Dunton Demon 5 mile, Dunton Demon 5k, and Dunton Demon 1k/2k Tinnies Toddle for children. The challenging trails loop through Langdon Hills, with routes visiting lakes..

Trifarm 10k Autumn Trail Run is at Trifarm, Boreham, near Chelmsford, Essex. This 10-kilometre trail race is the third in the Trifarm series. The route is mostly off-road on public footpaths and bridleways, starting with a 3/4-lap of the on-site track and finishing near a bridge via a public path; t..

The Silent Pool 10km is a guided trail run starting and finishing at the mysterious Silent Pool near Guildford, a site rich in history and natural beauty. The route features scenic trails including parts of the North Downs Way, the forest of Netley Heath, and the picturesque village of Shere, known..

Epic Epping Forest Ultra, organized by Orion Harriers, was planned as a 50-mile trail ultra in Epping Forest near Chingford, London. The course comprised ten 5-mile loops, totaling just over 50 miles with around 1,120 meters of ascent. Formats included a solo Ultra and Enduro teams (2 or 4 runners)...

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Endless Garden – A Backyard Ultra Marathon takes place at The Waggoners in Ayot Green, Welwyn Garden City, United Kingdom, from 27 to 29 September 2025. The race uses a 4.167-mile trail loop run hourly on the hour, with the field whittling down to a sole finisher. The route is designed to be saf..

The 10k Rauceby Estate Run Summer takes place on the Rauceby Estate in Lincolnshire. The course covers approximately 10 kilometres (just over 6 miles) and is described as a brand-new all-terrain route. A standout feature is that at least a quarter of the route traverses private land that has never h..

The Chiltern 50 Ultra Challenge is a scenic endurance event held in the Chilterns countryside, starting and finishing at Henley Showground. Participants can choose from 50 km, 25 km, or 10 km looped routes featuring historic trails, rolling hills, nature reserves, and stunning views. The event offer..

Thunder Races offers trail running events in Bedfordshire, featuring multiple distances including 10km, 25km, and 50km to suit all skill levels. The races take place in the scenic Harrold-Odell Country Park, providing runnable terrain and beautiful views that enhance the outdoor experience. Designed..

The Runaway Challenge, organized by Circuit Running, is a 6-hour timed running event held in Skellingthorpe, Lincoln. Participants can choose distances ranging from 5K up to an ultra marathon within the time limit. The course is a flat, out-and-back 4.37-mile loop along a tarmac path on an old railw..

North Downs Way Ultra Run is a 30-mile guided trail run meeting at St Martha's Hill, Guildford, Surrey. It showcases the North Downs Way in Surrey, including Denbies Wine Estate and Box Hill, with villages and views. The route climbs onto the downs, then returns to Guildford along the North Downs Wa..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

Wild Run Cotswolds is staged at Cornbury Park, Charlbury, Oxfordshire, within the Wychwood forests. The event offers a 10K loop with options for a half marathon, marathon (four loops), or a 360° challenge (six hours to complete as many 10K loops). The course uses private estate trails, mixing smooth..

Run Sandringham is a popular running event held at the Royal Estate in Sandringham, West Norfolk, known as the Royal Family’s winter retreat. The event features a Half Marathon covering 13.1 miles, along with a Community Mile suitable for families and runners aged four and above. The scenic course c..