Trail Running calendar near Sudbury 2025-2026

We have found 270 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

The Run the Wild Half Marathon - Autumn Edition is a 13-mile (21.1 km) trail running event set in the scenic Chiltern Hills, just 40 minutes northwest of London. Featuring rolling chalk hills and woodland paths with around 300m of ascent, the course offers a welcoming atmosphere for all abilities, i..

The West Acre Wild 10k Challenge is an off-road running event held in Westacre, Norfolk, featuring a 10-kilometer course through undulating bridle paths and woodland tracks in picturesque countryside. The route includes a short paved section at the start, mostly dry farm and woodland paths, and a po..

The Titsey Trail 10K is a scenic trail running event held in Oxted, Surrey, set within the beautiful woodlands of Limpsfield Common and the High Chart. The course is a single lap of approximately 10 kilometers, primarily off-road along forest tracks, footpaths, and bridleways, with a short stretch o..

The Southend Pier Marathon is a unique running event scheduled for October 12, 2025, taking place on the world's longest pleasure pier, which stretches 1.34 miles over the sea. This marathon is a world first, offering participants the chance to run a full marathon in a stunning coastal setting. The..

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 challenge 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 starts and finishes..

The Frieth Hilly 5km and 10km runs are exciting mixed-terrain races set in the picturesque Chiltern Hills, located between Marlow and Henley-on-Thames. Participants can expect a challenging course that features winding woodland paths and scenic country roads, offering stunning views throughout the r..

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..

UTMB Index

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 into the Ashridge Estate, passing landmarks like the Bridgewater Monument, the Ridgeway path..

The Gatliff Marathon is an annual challenge event that offers participants the choice of walking, jogging, or running distances of 25km or 50km through the scenic countryside of Kent, Surrey, and Sussex. This event, organized by the COPSE Club, features different routes each year, with a focus on cr..

The Bedgebury Forest Half Marathon & 10K is an exciting running event set in the picturesque Bedgebury Pinetum, Kent. Participants can enjoy a scenic, traffic-free woodland trail that is suitable for both novice and experienced runners. The event features a half marathon, a 10K race, and a junior 2k..

The Black Bull 15 Trail Runs, held in Chelmsford, United Kingdom, offer two distances: a competitive 15-mile trail run and a non-competitive 15 km run/jog/walk. Starting and finishing in the pub garden of the Black Bull, the 15-mile course loops through local countryside and country roads, providing..

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 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, traversing cross country footpaths and sections of seawall. Participants ca..

Running Tribe Races take place in Chalfont St Peter, Buckinghamshire, with two main locations: Chalfont Park Sports Club and Chalfont St. Peter Community Centre. The event offers flexible distances on looped courses ranging from 7k up to ultra marathon distances (30 to 40 miles).Participants can cho..

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 Thames Path Trail Run is a scenic trail running event held at Windsor Racecourse, winding along the picturesque Thames River and surrounding countryside. Participants can choose between two distances: 21km with 66m elevation gain or 16km with 50m elevation gain. The course is well-marked with pi..

Pumpkin Plod is a timed running event held at Ferry Meadows, one of the largest country parks near Peterborough, UK. Participants run laps of a 5.3 km multi-terrain course featuring gravel footpaths and grassy areas through the scenic park. The event offers two options: a 6-hour or 4-hour challenge,..

The Stort30 Ultra is a classic 30-mile out-and-back ultra running event held in Hertfordshire, starting at the Hockerill Sports and Social Club in Bishops Stortford. The course runs alongside a scenic river, offering beautiful scenery and a flat, fast route ideal for both experienced and first-time..

The Irchester Spooktacular is a Halloween-themed night-time running event held at Irchester Country Park. It features two distances: a 5k race and a 2k Family Fun Run, both set on fully marked woodland trails and tracks. Participants are encouraged to wear fancy dress, with prizes awarded for the be..