Trail Running calendar near Hertfordshire 2025-2026

The Black Notley Trails is a fundraising trail running and walking event held in the village of Black Notley. Participants can choose between a 3.1-mile or 6.2-mile self-navigation trail, using a written route description provided on the day, with no course markings or marshals. The event supports E..

The Nonsuch Park Summer Series 2025 is the second of four evening orienteering events organized by MVOC, held in Cheam's Nonsuch Park. It offers a welcoming atmosphere for runners of all abilities, featuring a 60-minute score course using Waikato scoring rules for experienced participants and a simp..

The Out Of The Blue Battle 10k & 5k is a twilight running event held at Ashburnham Place, a stunning 220-acre estate in Battle, East Sussex. Celebrating its 10th anniversary, the race offers 10k and 5k distances, with the 10k consisting of two laps and the 5k one lap, plus a popular Junior Run. The..

The Ealing Eagles Trail 10K is a running event held at Brent Lodge Park in London, offering a 10-kilometer trail race along with a junior 1-mile race. The course details are available on the organizer's website, and all finishers receive a memento. The event emphasizes easy access via public transpo..

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in Sharnbrook, North Bedfordshire, UK. It features three races over three consecutive days: a 5-mile multi-terrain run with family entertainment and kids' races on Friday evening, an 8.1-mile cross-country t..

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 the Cowdray Ruins and the South Downs National Park. Participants can choose from 5km or 10km distances, including dog-friendly canicross options. The cour..

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..

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 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 Cock-a-doodle Dawdle, organized by Zig Zag Running, is a trail running event held at the scenic Hyde Hall Farm in Buntingford, Hertfordshire. Now in its second year, the race offers multiple distance options including 5k, 10k, half marathon, full marathon, and ultra marathon, catering to runners..

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..

Royston In Blue is a 5-kilometre fun run and walk held in Royston, Hertfordshire, on a two-lap trail course over Royston Heath. The undulating route offers a scenic and challenging experience for participants. The event supports the Teenage Cancer Trust, combining fitness with fundraising.Facilities..

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 multi-terrain course featuring tarmac, packed gravel, and woodland trails on an undulating, traffic-free route. Participants enjoy a scenic run through..

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 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..

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 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 Full Essex Way Ultra is an 82-mile ultra-marathon starting at Epping tube station in London and finishing at the historic high lighthouse in Harwich. The race follows the entire Essex Way trail, featuring mixed terrain including trails, footpaths, tracks, and roads, with a total elevation gain o..

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 ATW Odyssey 12 is an exciting running event that combines physical challenge with personal growth, set against the scenic multi-terrain paths of St Neots. Participants can compete solo, in pairs, or as teams of up to six, tackling a 7km lap course. The event encourages camaraderie and support, f..