Trail Running calendar near Grafham 2025-2026

The Thames Meander Autumn is a scenic riverside running event held at Petersham & Ham Sea Scouts HQ in Richmond, UK. It features three race distances: a 10km, a half marathon, and a marathon, all following flat, fast, and well-marked out-and-back routes along the Thames Path towpath. The 10km route..

The HAVOC Twilight Series 2025 No.3 in Brentwood is a midweek street orienteering event featuring a spiral score course through local streets, parks, and woods. Participants choose between two time limits: a 60-minute long course or a 40-minute short course, aiming to visit as many controls as possi..

The RunThrough Trails Beat Box Hill event, held on October 11, 2025, takes place at the iconic Box Hill in Surrey, UK. It offers two trail race distances: a challenging 50k with 1364m elevation and a 21k with 610m elevation, both featuring scenic routes on natural terrain. The event is suitable for..

The Run the Wild Half Marathon - Autumn Edition is a 13-mile (21.1 km) trail running event set in the scenic Chiltern Hills, just 40 minutes northwest of London. Featuring rolling chalk hills and woodland paths with an ascent of around 300 meters, the course offers a welcoming atmosphere for all abi..

The Cannock Chase Running Festival, held on October 12, 2025, takes place at Forest Lodge, Birches Valley, within the scenic Cannock Chase Forest, an Area of Outstanding Natural Beauty near Stafford and Birmingham. The event offers multiple race distances including 5K, 10K, a half marathon, and a ju..

The West Acre Wild 10k Challenge is an off-road running event held in Westacre, Norfolk. The 10K course features undulating bridle paths and woodland tracks through scenic countryside, with a brief paved section at the start. Runners encounter optional obstacles and cross the West Acre fords near th..

The ATW Holdenby House Trail & Canicross event takes place on the historic 2,000-acre Holdenby Estate in Northamptonshire, featuring a scenic 5.4 km traffic-free trail through estate grounds and surrounding farmland. Participants can choose from 5k, 10k, or half marathon distances, with laps corresp..

The Marlow Donkey is a challenge walking event organized by Thames Valley LDWA, held in the Chiltern Hills around Marlow, Buckinghamshire. Scheduled for Sunday, 12th October 2025, participants can choose between 16-mile and 25-mile routes, with time limits of 8 and 9.5 hours respectively. The course..

The Frieth Hilly 5km & 10km is a challenging mixed-terrain running event held in the scenic Chiltern Hills near Frieth, between Marlow and Henley-on-Thames, about 35 miles from central London. The race features winding woodland paths and country roads, offering stunning views throughout the course...

The Southend Pier Marathon is a unique running event held in Southend On Sea, UK, featuring a full marathon distance of 26.2 miles entirely on the world's longest pleasure pier, which stretches 1.34 miles over the sea. This historic pier, dating back to 1830, offers runners a rare experience of raci..

The North Chilterns 50K is an ultra marathon trail race held in the scenic countryside east of Luton, UK. Starting and finishing at the picturesque Putteridge Bury Estate, the 50-kilometer course features ridgeline trails with stunning views of Warden Hill, Barton, and Pegsdon Hills. The route is fu..

The Titsey Trail 10K is a scenic trail running event held in Oxted Woodlands, Surrey, offering a single-lap 10-kilometer course through Limpsfield Common and the High Chart of Surrey and Kent. The route is mostly off-road, featuring forest tracks, footpaths, and bridleways with gentle slopes but no..

The Ridgeway Run, organized by Tring Running Club, is a challenging 15-kilometre (9.3 miles) trail race set in the scenic Chiltern Hills near Tring, UK. The course starts on the outskirts of Tring, ascending through the Ashridge Estate, passing landmarks like the Bridgewater Monument, and includes s..

Aliens V's Trail Runners Daylight Trail is a trail running event held near Rendlesham Forest, a popular area known for its natural beauty and UFO lore. Scheduled for October 12, 2025, the event offers both a full marathon and a half marathon, with routes that are 95% off-road across diverse terrain...

The Buckingham 10K is a scenic running event held in Buckingham Town Centre, featuring a 10-kilometer multi-terrain route. The course starts in the town center and passes through Stowe Avenue, the Stowe National Trust Gardens, and surrounding farmland, offering an undulating profile through both urb..

The TFG Whisky, Gin & Rum Trail is a scenic trail running event held at White Peak Distillery in Amber Valley, Derbyshire. Participants can choose between two waymarked courses: a 7km route with 175m elevation and a 14km route with 345m elevation. Both routes feature diverse terrain including histor..

The Gatliff Marathon is an annual challenge event held in the Kent, Surrey, and Sussex countryside, starting at Edenbridge Cricket Club in Kent, UK. Participants can choose to walk, jog, or run either 25km or 50km along varied footpaths and tracks. The course changes each year, with route details an..

The Dukeries 10 is an annual 10.8-mile trail running event held in Walesby, Newark, Nottinghamshire. The near-flat, circular course is fully waymarked and marshalled, offering a scenic and navigation-free experience. Runners traverse a mix of woodland trails, muddy paths, field edges, and gravel tra..

The Centurion Autumn 100 is a 100-mile continuous trail race held in the twin villages of Goring and Streatley on the River Thames in South East England. The course features four 25-mile out-and-back sections forming a cross shape, utilizing parts of the Ridgeway and Thames Path National Trails. Run..

The Carsington Water Half Marathon & 10k, held on October 18, 2025, takes place at the scenic Carsington Water near Ashbourne, UK. Runners can choose between a half marathon and a 10k, both featuring undulating trail paths around the reservoir with stunning countryside views. The half marathon route..