Trail Running calendar near Layer de la Haye 2025-2026

The Centurion Wendover Woods 50 is a challenging 50-mile ultramarathon held entirely within Wendover Woods in South East England. The race consists of five 10-mile loops on forest trails featuring a mix of wide, soft paths with runnable climbs and descents, alongside steeper, more demanding sections..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

The Sundon Saunter is an annual walking and running event held near Barton-le-Clay, UK, featuring courses of 13, 18, and 27 miles. The route traverses mainly field paths, tracks, woods, and some roads through undulating countryside, offering scenic views from the hills. The event is organized by LDW..

The Petzl Night Trails 10K at Salcey Forest is a unique night-time trail running event held near Northampton. Participants run a fully marked, two-lap 10k course on crushed stone paths through the flat forest terrain, illuminated only by their head torches—Petzl, the event’s sponsor, provides top-qu..

The Dormouse Challenge is a 6-hour running event held at the award-winning Salcey Forest near Northampton, England. Participants run multiple laps of a 3.5-mile off-road loop through well-maintained forest paths, with terrain ranging from crushed stone to natural forest floor, offering a scenic and..

The Zigzag Turkey Trot Challenge is a six-hour timed running event held at the Suffolk Running Centre in Bury St Edmunds. Participants start together and run as many laps as possible on the undulating, multi-terrain Back Quack route, with an aid station available each lap. The event caters to all le..

The RunUk Kingston 10k is a scenic running event starting and finishing at the Kingston Hawker Centre in Surrey. The course takes runners through the streets of Kingston and along the picturesque river towpath, offering a vibrant atmosphere supported by local organizations. Participants receive a fi..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, offering participants a chance to challenge themselves on scenic trails. Scheduled for November 23, 2025, the event features various distances, including a 5K, 10K, and Half Marathon trail run, a..

The Box Hill Vertical KM is a guided trail running event held in Box Hill, Dorking, Surrey, UK. Covering approximately 12.5 miles, the course is designed to achieve over 1000 meters of elevation gain in a short distance, featuring challenging hills through woodland, heathland, and open fields. The r..

The Maverick Exposure Lights Dark Oxfordshire is a unique night trail running event held at Stonor Park, nestled in the Chiltern Hills by the River Thames. Participants can choose from three challenging routes: 17 km (long), 12 km (middle), and 7 km (short), all set within the estate known for its w..

The Maverick Original Oxfordshire is a trail running event held at the historic Stonor Park near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers three routes: 22 km (long), 12 km (middle), and 7 km (short), featuring challenging terrain wit..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This event features UK Athletics certified, accurately measured courses with no elevation gain, making it a flat and fast route ideal for runners seek..

The Surrey Hills Half Marathon is a scenic 13-mile guided trail run starting and finishing in Guildford, Surrey. The course showcases the natural beauty of the Surrey Hills, featuring landmarks such as St Martha's Church and hill, the village of Shere, and panoramic views from Newlands Corner and Ha..

The Zig Zag Running St Andrews Day Challenge is a multi-terrain running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour timed challenge, running multiple laps of a 5.3 km course featuring gravel footpaths and..

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting at Plumpton Racecourse near Lewes, UK. Offering three distances—22km, 12km, and 9km—the event caters to various abilities, including newcomers. The course features a flat 3.5km tree-lined warm-up, followed by a..

The Hurtwood 50K, organized by Freedom Racing, is a popular late-season ultra running event held in the scenic Surrey Hills. This 50-kilometer trail ultra features a fully signed long-distance route with additional race signage, ensuring clear navigation. The course includes an out-and-back section..

The ATW Grafham Water - Trail & Canicross is a scenic 10-mile trail running event set around the picturesque Grafham Water in Cambridgeshire. Participants will enjoy a route that begins on the iconic dam and winds through beautiful trails, including a Woodland Nature Reserve and Sanctuary Bay. The e..

Bauble Bimble is a festive running event held at Ferry Meadows, a large country park near Peterborough, UK. Participants run laps of a 5.3 km multi-terrain course featuring gravel footpaths and grassy areas through the scenic park. The event offers a 6-hour or 4-hour timed challenge where runners ca..

The Winter Downs 200 is a challenging 200-mile continuous trail run held in South East England, starting and finishing at Juniper Hall, Dorking. Scheduled for December 10-14, 2025, runners have up to 96 hours to complete a giant loop encompassing five major trails: North Downs Way, Vanguard Way, Sou..