Trail Running Calendar South East (England) 2025-2026

The Out Of The Blue Battle 10k & 5k is a scenic twilight running event held at Ashburnham Place, Battle, East Sussex. Celebrating its 10th anniversary, the race features multi-terrain courses through the stunning 220-acre estate, with 10k runners completing two laps and 5k runners one lap. The event..

The Cowdray Estate Trail Run Series, organized by Raw Energy Pursuits, offers a variety of trail running events set within the scenic Cowdray Estate in West Sussex. The series includes multiple distances such as 5km, 10km, and 10-mile runs, with seasonal events held in spring, summer, autumn, and wi..

Run The Seasons at Cowdray is a scenic running event held on the Cowdray Estate in Midhurst, set above the world-class polo fields with views of Cowdray Ruins and the South Downs National Park. Participants can choose from 5km or 10km distances, including dog-friendly canicross options. The course w..

The Blended Trails - Backyard Ultra will take place in New Alresford on Saturday 28 June 2025.

The Maverick Adidas Terrex X-Series South Downs is a challenging trail running event held in Hampshire, UK. It offers multiple distances to suit various levels of runners, including 51K, 42K, 21.5K, and 9K courses. The event is part of the Maverick X Series, known for its tough and stunning routes t..

The Jennett's Park urban orienteering event, hosted by Berkshire Orienteers (BKO) in Bracknell, offers three courses: Long (5.8 km straight line, 8.2 km optimal), Medium (4 km straight line, 5.4 km optimal), and Short (2.4 km straight line, 2.5 km optimal). Suitable for all abilities, the event emph..

The Maverick X Series South Downs 2025 is an ultra running event held at Queen Elizabeth Country Park, straddling the Hampshire and Sussex border. Scheduled for June 28, 2025, it offers four routes catering to all levels: Ultra (51 km, +1294 m elevation), Long (42 km), Middle (21.5 km), and Short (9..

The Hangers Way 50K is a scenic ultramarathon trail run held in Hampshire, England, starting at Alice Holt Country Park in Farnham and finishing at Queen Elizabeth Country Park near Petersfield. This point-to-point 50-kilometer race follows the unique Hangers Way path, known for its steep wooded hil..

The Abbotts Ann Trail Runs, hosted by Muddy Runners, take place in the scenic Hampshire countryside near Andover, specifically at Bulbery Sports Fields, Abbotts Ann. The event features challenging yet beautiful undulating trail routes with spectacular views across the Test Valley. Participants can c..

Woodland Run 2025, organized by Beginners2Runners, takes place at Oaken Wood, Kiln Barn Road, Ditton. The event offers 5k and 10k race options on a scenic, multi-terrain course featuring tarmac, gravel, and woodland trails on an undulating, traffic-free route. Participants enjoy exclusive access to..

The Damerham Dash is a family-friendly running event held at Damerham Sportsfield in Damerham, UK. Participants can choose between a 5km or 10km run that takes place on a fully marked, undulating course through beautiful countryside, including bridlepaths and farmland not usually open to the public...

The Midsummer Munro is a challenging half marathon held at Box Hill Fort, Surrey, celebrating its 20th year in 2025. The race features a rugged course primarily on rough tracks, offering runners stunning views over the North Downs, the Mole Gap, Denbies Vineyard, and Dorking. Known for its demanding..

The Devil's Punchbowl 10k is a guided trail run held in the scenic Devil's Punchbowl, a natural amphitheatre located in Hindhead, Surrey. This 10-kilometer route features challenging hills and beautiful trails, offering runners spectacular views, especially during sunset or night runs. The event is..

The Serpent Trail is a scenic trail running event held in the South Downs National Park, Hampshire, UK, known for its breathtaking and unique countryside. It offers five distances: 100km, 75km, 50km, 20km, and 10km, catering to a range of runners and walkers. The courses feature mostly flat terrain..

The Chiltern Ridge Half Marathon, organized by Runaway Racing, is a challenging 21.1 km trail race held along The Ridgeway National Trail in Buckinghamshire, between Wendover and Princes Risborough. Starting and finishing in Wendover, the course features an undulating forest loop at Whiteleaf Hill N..

The Bewl 15 Mile & 5 Mile is a scenic and challenging trail running event held at Bewl Water in Sussex, organized by Wadhurst Runners. Celebrating its 25th anniversary, the race features multi-terrain routes including quiet country lanes and lakeside paths, offering stunning views and a vibrant comm..

The North Downs 50 Ultra Challenge is a premier endurance event held in the Surrey Hills, starting and finishing at the Guildford basecamp. Participants can walk, jog, or run on looped routes of 50km, 25km, or 10km, featuring scenic trails along the North Downs Way with stunning southern views. The..

Race to the Stones is the UK's largest ultramarathon, held along the ancient Ridgeway trail from Lewknor to the 5,000-year-old Avebury Standing Stones, a UNESCO World Heritage site. Covering 100 kilometers with 1,340 meters of elevation, the event offers a non-stop challenge or a two-day option with..

The Thackray Williams Sevenoaks 7 is a celebrated 7-mile trail race held annually in the scenic Knole Park, Sevenoaks, Kent. Marking its 30th edition in 2025, the course features challenging hills, multi-terrain paths, and picturesque woodland trails, offering an exhilarating experience for runners..

The Surrey Hills 10km is a guided trail run set in the picturesque Surrey Hills Area of Natural Beauty near Guildford, UK. The 10km route starts with a climb up St Martha's Hill, offering panoramic views from the hilltop church, then continues to Newlands Corner with stunning vistas over Surrey’s ro..