Trail Running calendar near Letchworth Garden City 2025-2026

The Marlow Donkey is a challenge event organized by the Thames Valley LDWA, offering participants the choice of two routes: 16 miles and 25 miles through the scenic Chiltern Hills. The event welcomes both walkers and runners, providing basic refreshments along the route and a simple meal at the fini..

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 South Downs Way Ultra Run is a 30-mile trail event held in West Sussex, offering participants a scenic route through the South Downs and surrounding areas. Starting and ending at Harting Down, the course features highlights such as Beacon Hill, Cocking Down, and Kingley Vale, known for its ancie..

The North Chilterns 50K is an ultramarathon organized by Runaway Racing, set in the scenic countryside east of Luton. The race covers 50 kilometers of trail terrain with an elevation gain of approximately 798 meters, featuring ridgeline trails and stunning viewpoints such as Warden Hill and Barton &..

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 Centurion Autumn 100 is a challenging 100-mile trail race held in Goring and Streatley, England, along the River Thames. The course features four 25-mile out-and-back sections utilizing the Thames Path and Ridgeway National Trails, forming a cross-shaped route. Runners experience a mix of flat,..

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 15km 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 trail race held in Thetford Forest, offering participants a challenging yet enjoyable 13.1-mile course through diverse terrains, including hard-packed trails, grassy paths, and forest trails. The event emphasizes eco-friendliness with a cupless polic..

The Thames Trail Ultra is a challenging 47-mile point-to-point ultramarathon along England’s longest river, from Iffley in Oxfordshire to Henley-on-Thames. Organized by Go Beyond, the race follows scenic sections of the Thames Path and Ridgeway National Trails, offering a mix of country trails, rive..

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 Stort30 Ultra is a scenic 30-mile out-and-back ultra running event held along the River Stort and Lee Navigation on the border of Hertfordshire and Essex, starting at Bishop’s Stortford. The course is predominantly flat and fast, featuring grassy trails and graded footpaths with some potentially..

The Thames Path Trail Run is a scenic running event starting from Windsor Racecourse, offering distances of 16km and 21km along the picturesque Thames River. Participants can enjoy stunning views of the river and countryside while challenging themselves on well-marked trails. The event features chip..

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 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 marked woodland trails and tracks. Participants are encouraged to wear fancy dress, with prizes awarded for the best cos..

The Pre Halloween Coffee and Cream 10k is a night trail running event organized by Multisport-Management. Scheduled for October 30, 2025, this 10-kilometer race offers participants a unique nighttime trail experience, likely embracing the Halloween spirit given its timing. While specific details abo..

The Chiltern Ridge Winter 50K is an autumn/winter trail ultra marathon held in the Chilterns, starting and finishing at Berkhamsted Cricket Club. The 50-kilometer looped course features undulating terrain with over 800 meters of elevation, passing through scenic woodland trails, Berkhamsted Common,..

The Winter Warrior 50km Ultra is a trail ultramarathon held on November 1, 2025, starting in Trowse, Norwich, and finishing in Diss, following the scenic Boudicca Way. This well-marked 50km course passes through several villages, offering a beautiful yet challenging winter running experience with po..

The Guided Run - Petersfield 10k will take place in Petersfield on Saturday 1 November 2025. You can run 10 kilometers.