Trail Running calendar near London 2025-2026

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three consecutive days: a 5-mile multi-terrain run with family entertainment, an 8.1-mile cross-country trail race, and a 13.1-mile half marathon, coll..

The "Run the Seasons" event at Cowdray is a scenic running race set above Cowdray’s renowned polo fields, overlooking the Cowdray Ruins and the South Downs. Taking place in late June 2025, participants can choose from 5km, 10km, or dog-friendly canicross courses across the picturesque Cowdray Estate..

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. Distances typically include 5km, 10km, and 10-mile runs, with seasonal events such as the Summer, Autumn, Winter Night, and Spring 'Run..

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

The Zigzag Cock-A-Doodle Dawdle is a trail running event held at the scenic Hyde Hall Farm in Hertfordshire (SG9 0RU). Returning for its second year, the race offers multiple distance options including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon, catering to runners of all levels. The..

The Maverick Adidas Terrex X-Series South Downs is a challenging trail running event held in Hampshire, UK. It offers multiple race distances including 51K, 42K, 21.5K, and 9K, catering to a range of abilities. The event is part of the tough and scenic X Series, known for its brutal yet stunning cou..

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 enjoyable experience for participants. The event supports the Teenage Cancer Trust, making it a meaningful community fundraiser.Fac..

Woodland Run 2025 is a scenic off-road running event held at Oaken Woods, featuring 5k and 10k courses through woodland trails, gravel, and tarmac. Organized by Beginners2Runners, the race welcomes runners of all levels, including children, with free entry for those under 10. Participants can enjoy..

The Hangers Way 50K is a scenic ultramarathon event that takes place in the beautiful Hampshire countryside, starting at Alice Holt Country Park and finishing at Queen Elizabeth Country Park. This point-to-point trail run features a fully marked course that showcases the unique landscapes of the are..

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 Devil's Punchbowl 10k is a guided trail run held in the scenic Devil's Punchbowl, a natural amphitheatre located in Hindhead, Surrey. This 10km route offers a challenging yet enjoyable experience featuring beautiful trails and rolling hills, with pauses at hilltops to admire spectacular views. T..

The Full Essex Way Ultra is an 82-mile ultra-marathon that takes participants from Epping tube station in London to the historic port of Harwich. The event features a diverse terrain, including mixed trails, footpaths, tracks, and roads, with a total elevation gain of 3,469 feet. Runners will encoun..

Faccombe Backyard Ultra, hosted by And-Over Trail Events, is an endurance running challenge held on the private Faccombe Estate in Hampshire, UK. Known as one of the toughest backyard ultras globally, the event features a 4.167-mile loop with 750 feet of elevation, run entirely off-road on establish..

The Serpent Trail is a scenic trail running event set in the stunning South Downs National Park, offering participants a choice of five distances: 100km, 75km, 50km, 20km, and 10km. This event showcases some of the UK's most beautiful countryside, featuring unique habitats and picturesque landscapes..

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..

The Orion Harriers Forest Five Series 2025 is a series of mile-long races held on Saturday mornings at Jubilee Retreat. The second race takes place on July 5th, 2025, and features a friendly atmosphere amid forest surroundings. The event is part of a fundraising effort for the Orion Harriers clubhou..

The Spitfire Scramble is London's only 24-hour running event held at Hornchurch Country Park. Participants can compete solo or in teams of two to eight, tackling a 5.75-mile multi-terrain lap repeatedly over 24 hours. The race tests endurance, speed, teamwork, and night running skills, as only one r..

The High Weald Challenge is a scenic walking event held at Stonegate Village Hall in East Sussex, featuring three new routes of 30, 22, and 16 miles. Participants explore the picturesque countryside around Burwash and Robertsbridge, with all routes passing through Robertsbridge village. The 30-mile..

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..