Trail Running calendar near Hainault Forest Country Park 2025-2026

The Three Shires Way Ultra & Marathon is a running event taking place on June 21, 2025, through the scenic rural landscapes of Bucks, Beds, and Northants. Participants can choose between a 50-mile ultra or a marathon, both suitable for various experience levels. The routes are well-marked along brid..

P24 - The Longest Attended Day is a unique endurance running event held at Denbies Wine Estate in Dorking, Surrey. Participants run one mile every hour on the hour for 24 consecutive hours, covering a total of 24 miles. The course is an off-road trail through the scenic wine estate, designed to be a..

The Hawkhurst 10K & 5K is a vibrant running event held in the picturesque village of Hawkhurst, Kent. Designed for the whole family, it features a 10K, a 5K, and a free Junior Run, all set against a scenic multi-terrain backdrop of fields, trails, and roads. Participants can enjoy a friendly atmosph..

The Dunstable Downs Half Marathon is a challenging off-road trail race held at the National Trust's Dunstable Downs estate in the Chiltern Hills, UK. Covering 21.2 km with over 450 meters of elevation, the course features rugged chalk ridge trails, ridgeline views, steep climbs, exhilarating descent..

The Midsummer Murder trail race takes place in the scenic Hambleden Valley, near Henley-on-Thames. Participants can choose between a challenging 10.4-mile course or a 14.3-mile half marathon, both featuring stunning multi-terrain routes with significant hills and elevation gains. The event offers a..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. The race features a 10 km senior trail course that includes woodland paths, grassy fields, hills, and some fast tarmac sections, all within the park's picturesque grounds. The event welcomes a wide r..

The Out Of The Blue Battle 10k & 5k is a captivating twilight running event held at the picturesque Ashburnham Place in East Sussex. Celebrating its 10th anniversary, this race features both 10k and 5k courses that traverse the stunning 220-acre estate. Participants can also join a Junior Run, makin..

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 exciting ultra-running event set in the picturesque Queen Elizabeth Country Park. Scheduled for June 28, 2025, this event offers four distinct routes catering to all levels of runners, from beginners to seasoned athletes. Participants can choose from dist..

The Maverick Adidas Terrex X-Series South Downs is a 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. Part of the challenging and scenic X Series, the event features tough and stunning courses that test..

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 Guided 10K Pub Run will take place in New Alresford on Sunday 29 June 2025. You can run 10 kilometers.

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..

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..

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 Midsummer Munro 2025 is a half marathon event held at Box Hill Fort in Surrey. Celebrating its 20th year, the race features challenging terrain on rough tracks, offering participants stunning views of the North Downs, Mole Gap, Denbies Vineyard, and Dorking. The event is suitable for hearty runn..

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 10km is a guided trail run held in Hindhead, Surrey, offering participants a scenic and challenging 10-kilometer route through the natural amphitheatre known as the Devil's Punchbowl. The event features trails with hills and stunning views, suitable for both beginners and exper..