Trail Running calendar near Sudbury 2025-2026

The West Acre Wild 10k Challenge is an off-road running event held in Westacre, Norfolk. The 10K course features undulating bridle paths and woodland tracks through scenic countryside, with a brief paved section at the start. Runners encounter optional obstacles and cross the West Acre fords near th..

The ATW Holdenby House Trail & Canicross event takes place at the historic Holdenby Estate, a 2,000-acre site in Northamptonshire. Participants can choose from various distances, including a 5k, 10k, and Half Marathon, with the course offering scenic views of the estate and its gardens. A special 5k..

The Marlow Donkey is a challenging walking and running event organized by Thames Valley LDWA, held in the Chiltern Hills near Marlow, Buckinghamshire. Participants can choose between two routes of 16 or 25 miles, both featuring a figure-eight course centered on Lane End. The event welcomes walkers a..

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 event offers runners the rare experience of racing over water on a historic..

The North Chilterns 50K is an ultra marathon trail race held in the scenic countryside east of Luton, UK. Starting and finishing at the picturesque Putteridge Bury Estate, the 50-kilometer course features ridgeline trails with stunning views of Warden Hill, Barton, and Pegsdon Hills. The route is fu..

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, organized by Tring Running Club, is a challenging 15-kilometre (9.3 miles) trail race set in the scenic Chiltern Hills near Tring, UK. The course starts on the outskirts of Tring, ascending through the Ashridge Estate, passing landmarks like the Bridgewater Monument, and includes s..

Aliens V's Trail Runners Daylight Trail is a unique running event held near Rendlesham Forest, a popular spot for runners, mountain bikers, and UFO enthusiasts. Scheduled for October 12, 2025, the event offers both a full marathon and a half marathon, featuring narrative trails without traditional m..

The Buckingham 10K is a scenic running event held in Buckingham Town Centre, featuring a 10-kilometer multi-terrain route. The course starts in the town center and passes through Stowe Avenue, the Stowe National Trust Gardens, and surrounding farmland, offering an undulating profile through both urb..

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 mostly footpaths and tracks. The course changes each year, with route details an..

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 challenging 2km junior run, all set on traffic-free woodland trails beneath a majestic pine canopy. The course offers pictures..

The High Lodge Half Marathon – Autumn is a scenic 13.1-mile trail race held in Thetford Forest, Brandon, UK. The circular course features a mix of hard-packed sand, grassy footpaths, and forest trails, offering a varied terrain suitable for both road runners and trail enthusiasts. Participants enjoy..

The Black Bull 15 Trail Runs is a running event held in Chelmsford, Essex, United Kingdom, organized by Multisport-Management and Steve Cope. The event features a 15-mile loop through local countryside and country roads, starting and finishing in the garden grounds of the Black Bull pub. There is al..

The Viper 5 Mile Trail Run is a nighttime trail running event held in Ingatestone, United Kingdom, organized by Multisport-Management. The race covers a 5-mile loop through countryside public rights of way, following the same route as the spring edition but run in the dark. Participants must be over..

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 participants choosing their distance on race day.The courses ar..

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 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..

The Thames Path Trail Run takes place at Windsor Racecourse, offering scenic routes along the picturesque Thames River and surrounding countryside. Participants can choose between two distances: 21km and 16km, both featuring gentle elevation gains (+66m and +50m respectively). The event welcomes run..

The Stort30 Ultra is a scenic 30-mile ultra marathon held on the border of Hertfordshire and Essex, starting and finishing at the Hockerill Sports and Social Club in Bishop's Stortford. The course follows a flat, out-and-back route along the River Stort and Lee navigation, featuring mostly grassy tr..