Trail Running calendar near Guildford 2025-2026

Beyond Trails London is a trail running event offering two distances: a 25km trail and a 55km ultra, both taking place in Greater London. The routes follow the Capital Ring footpath, showcasing iconic landmarks such as Eltham Palace, Wimbledon Common, and Richmond Park, alongside hidden trails, park..

Race to the King is an ultramarathon event held at West Dean Gardens, featuring challenging courses along the South Downs Way and Monarch’s Way. Participants can choose from three options: the Coastal 50k, a flat and scenic loop around Chichester Harbour with 500m elevation; the Castle 50k, a more d..

The Oxford Greenbelt 10km is a scenic running event held in Oxfordshire, hosted at Brookes Sport, Oxford (OX2 9AT), home to the Harcourt Hill Parkrun. The 10k course is predominantly off-road and undulating, featuring a section of the Oxford Greenbelt Way, offering picturesque views of the countrysi..

The Woodland Trail is a charity running and walking event held at Berkhamsted Castle, Hertfordshire. Participants can choose between 5- or 10-mile routes that wind through beautiful woodland and countryside, featuring fields, pathways, and some challenging, undulating terrain. The event offers a wel..

The Summer Solstice Challenge in Colchester is a unique running event held at the scenic Abberton Reservoir Visitors Centre. Taking place on the longest day of the year, participants run laps of just over 5 kilometers on off-road paths around the reservoir. The event lasts six hours, from 3 pm to 9..

The Three Shires Way Ultra & Marathon is a point-to-point trail running event held in the rural landscapes and ancient woodlands of Buckinghamshire, Bedfordshire, and Northamptonshire. It features a 50-mile ultra and a marathon distance, both suitable for beginners and experienced runners. The ultra..

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 on a mostly flat off-road trail through the scenic wine estate. The event takes p..

The Hawkhurst 10K & 5K is a community-focused running event held in the heart of Kent at The Moor, Hawkhurst. Featuring 10k and 5k distances alongside a free junior run, the race offers a multi-terrain course that includes fields, trails, and roads with undulating terrain. The event is family-friend..

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 Alfriston 7km Trail Race is a scenic trail running event held in Alfriston, starting and finishing at The Old Chapel Centre. The course is a fully marked and marshalled 7km loop featuring picturesque views and notable local landmarks. The race is limited to 50 participants, ensuring an intimate..

The Greystones 10K Trail Run takes place at Greystones Farm Nature Reserve in Bourton on the Water, Gloucestershire. Scheduled for June 22, 2025, this scenic 10-kilometer race features an undulating course combining quiet country roads and countryside views, suitable for beginners. The event is orga..

Midsummer Murder is a challenging trail running event held in the stunning Hambleden Valley near Henley on Thames. Participants can choose between a 10-mile (10.4 miles) or a half marathon (14.3 miles) course, both featuring predominantly off-road terrain with significant elevation gains—426m for th..

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 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 km 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 transport, dis..

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..

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, 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..