Trail Running calendar near Falmer 2025-2026

The Cowdray Autumn Trail Run, held at the scenic Cowdray Estate in Midhurst, offers three challenging distances: 5km, 10km, and 10 miles. The courses feature undulating terrain with steep uphill and downhill sections, traversing bridleways, footpaths, the Serpent Trail, and Sussex Diamond Way, inclu..

Run the Wild Half Marathon – Autumn Edition is a 13-mile (21 km) trail half marathon set in the Chiltern Hills, starting from The Home Office in Tring. The course climbs about 300 meters across undulating chalk hills and through local woods, offering scenic views and a true trail-running experience...

RunThrough Trails Beat Box Hill returns on Saturday 11 October 2025 at Box Hill Trail, Tadworth (KT20 7LB), Surrey. The event offers two scenic trail distances – 21k and 50k – along the iconic Box Hill with challenging gradients and mixed terrain. The 50k route features about 1,364 meters of elevati..

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

The Marlow Donkey is a Thames Valley LDWA challenge walk held in Marlow, Buckinghamshire, in the Chiltern Hills. Entrants choose between 16 miles and 25 miles, with maximum times of 8 hours and 9.5 hours respectively. The start and finish are at Liston Hall, in a friendly, club-style atmosphere with..

The Frieth Hilly 5km & 10km is a challenging mixed-terrain running event held in the scenic Chiltern Hills near Frieth, between Marlow and Henley-on-Thames, about 35 miles from central London. The race features winding woodland paths and country roads, offering stunning views throughout the course...

The Southend Pier Marathon is a unique running event held in Southend On Sea, UK, featuring a full marathon distance of 26.2 miles entirely on the world's longest pleasure pier, which stretches 1.34 miles over the sea. This historic pier, dating back to 1830, offers runners a rare experience of raci..

North Chilterns 50K is Runaway Racing’s 50‑km trail ultramarathon based at Putteridge Bury Country House near Luton. The route threads the North Chilterns on the Chiltern Way, heading from Lilley to Warden and Barton Hills, with Pegsdon Hills offering panoramic views. The course is undulating with a..

The Titsey Trail 10K is a scenic trail running event held in Oxted Woodlands, Surrey, offering a single-lap 10-kilometer course through Limpsfield Common and the High Chart of Surrey and Kent. The route is mostly off-road, featuring forest tracks, footpaths, and bridleways with gentle slopes but no..

The Ridgeway Run is a challenging 15-kilometre (9.3 miles) trail race organized by Tring Running Club, featuring scenic routes mainly on footpaths and bridleways with stunning views of the Chilterns. The course starts near Tring, ascends through the Ashridge Estate past the Bridgewater Monument, fol..

The South Downs Way Ultra Run is a 30-mile trail running event starting and finishing at Harting Down in West Sussex. The course showcases some of the best sections of the South Downs Way and nearby areas, including Beacon Hill, Cocking Down, and the ancient woodlands of Kingley Vale, known for its..

The Gatliff Marathon is an annual challenge event held in the Kent, Surrey, and Sussex countryside, starting at Edenbridge Cricket Club in Kent, UK. Participants can choose to walk, jog, or run either 25km or 50km along varied footpaths and tracks. The course changes each year, with route details an..

The Centurion Autumn 100 is a 100-mile continuous trail race held in the twin villages of Goring and Streatley on the River Thames in South East England. The course features four 25-mile out-and-back sections forming a cross shape, utilizing parts of the Ridgeway and Thames Path National Trails. Run..

The Bedgebury Forest Half Marathon & 10K is a scenic trail running event held at Bedgebury National Pinetum & Forest in Kent. The race features a half marathon, a 10k, and a junior 2km run, all set on woodland trails beneath a majestic pine canopy. The course is traffic-free and offers a challenging..

The Viper 5 Mile Trail Run (Autumn edition) is a night-time trail running event held in Ingatestone, United Kingdom. Participants run a 5-mile loop around the countryside on public rights of way, following the same route as the spring event but in the dark. The course requires runners to be self-suf..

Running Tribe Races take place in Chalfont St Peter, Buckinghamshire, at two locations: Chalfont Park Sports Club and Chalfont St. Peter Community Centre. The event offers flexible distances ranging from 7k up to an ultra marathon, with looped courses of 7k, 10k, or 10.8k that allow participants to..

The Epping Forest Wildwood Trail Series offers a scenic half marathon and 10K trail run set in the heart of Epping Forest near London. Scheduled for October 25, 2025, the event showcases the vibrant autumn colors and ancient woodland. Runners navigate a varied course featuring well-maintained paths,..

The Beachy Head Marathon is one of the UK's largest off-road marathons, held in the scenic South Downs National Park near Eastbourne. Formerly known as the Seven Sisters Marathon, it offers a challenging and picturesque route starting and finishing at Eastbourne Seafront along the South Downs Way. T..

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra-marathon along England’s longest river, the Thames. Starting near Oxford in Iffley and finishing in Henley-on-Thames, the course follows the scenic Thames Path and Ridgeway National Trails, featuring a mix of cross-country trails,..

The Blackwater Marathon is an annual event held at Drapers Farm Sports Club in Heybridge, Essex. Celebrating its 25th edition in 2025, the marathon features a circular route on the north side of the River Blackwater estuary, combining cross-country footpaths and seawall sections. Participants can ch..