Trail Running calendar near Aylesbury 2025-2026

Silent Pool 10km is a guided trail run that starts and finishes at Silent Pool, Albury, near Guildford. The route follows North Downs Way sections and the Netley Heath forest, dipping into Shere and passing film locations from The Holiday and Bridget Jones Diary. It’s ideal for those new to trail ru..

Epic Epping Forest Ultra, organized by Orion Harriers, was planned as a 50-mile trail ultra in Epping Forest near Chingford, London. The course comprised ten 5-mile loops, totaling just over 50 miles with around 1,120 meters of ascent. Formats included a solo Ultra and Enduro teams (2 or 4 runners)...

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

The Endless Garden – A Backyard Ultra Marathon takes place at The Waggoners in Ayot Green, Welwyn Garden City, United Kingdom, from 27 to 29 September 2025. The race uses a 4.167-mile trail loop run hourly on the hour, with the field whittling down to a sole finisher. The route is designed to be saf..

Chiltern 50 Ultra Challenge is part of Ultra Challenge’s UK trek and trail series, based at Henley Showground. It offers a 50 km loop (920 m ascent) and a 25 km option, plus a 10 km Chilterns route. The end-of-season course winds through the Chilterns’ historic trails, rolling hills, nature reserves..

Thunder Races offers trail running events in Bedfordshire, UK, centered on Harrold-Odell Country Park. The events feature multiple distances, including a 25km and a 50km trail race, designed for both experienced ultrarunners and newcomers. Runners traverse runnable woodland and countryside around Ha..

North Downs Way Ultra Run is a 30-mile trail event starting and finishing at St Martha’s Hill, Guildford, Surrey. The route follows the North Downs Way westbound, showcasing the Surrey Hills with highlights such as Box Hill and a pass through Denbies Wine Estate before finishing at Newland’s Corner..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

Wild Run Cotswolds is staged at Cornbury Park, Charlbury, Oxfordshire, within the Wychwood forests. The event offers a 10K loop with options for a half marathon, marathon (four loops), or a 360° challenge (six hours to complete as many 10K loops). The course uses private estate trails, mixing smooth..

The Grantchester Charity Runs, held near Grantchester village outside Cambridge, feature 10k and 3k races through scenic, predominantly flat farmland with no road crossings, ensuring a safe and pleasant course. The volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charitable T..

Something to Talk About is a 7-hour technical trail running event held at Avon Tyrrell Outdoor Activity Centre in the scenic New Forest, near Bransgore, Christchurch. The race features a looped course of 3.28 miles through beautiful forest terrain, suitable for all abilities. Participants can choose..

The Nettlestone Road and Trail (RAT) Race is an annual running event held at Nettlestone Primary School in Seaview. The 2025 edition offers participants a choice between a 5-mile or 5km route, both featuring off-road sections and a scenic run along the Seaview seafront with views of the Solent. The..

The Rayne QTR event, organized by Mid Essex Casuals, offers a self-navigation trail run of either 6.56 miles or 3.6 miles. Taking place on September 28, 2025, from The Swan Pub in Rayne, Essex, the course is mainly off-road, featuring footpaths, tracks, and field edges with some short road sections...

Race on the Chase is an annual trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10k distances, all featuring undulating downland terrain with historic ancient tracks, g..

The Richmond Park Half Marathon is a scenic 13.1-mile (21.1 km) trail running event held entirely within Richmond Park, London. Starting and finishing at Sheen Gate, the course takes runners through diverse park landscapes, including paths to Richmond Gate, the White House area with views of park la..

Pumpkin Run Colchester takes place at Foxes Farm in Aldham, Colchester. The event offers multiple distances: a 10K, 5K, a family-friendly 1K, and a dog-friendly 5K. Runners loop across fields, past the pumpkin patch and through a corn maze, on traffic-free farm tracks that are mostly flat for fast t..

Bournville Leafy 10k is a 10-kilometre multi-terrain race held in Bournville, Birmingham, with the start and finish at Rowheath Pavilion on Heath Road. The course winds through parkland and leafy paths, featuring off-road sections on grass and uneven ground. The event fosters a friendly, community a..

Kingfisher Challenge is held at Coombe Abbey Park in Coventry (CV3 2AB). This six-hour trail event welcomes runners and walkers of all abilities, letting you complete as many 5k laps as you choose—the 3.3-mile loop can yield just over 5k or 50+ miles depending on your pace. The course runs mainly on..

Petzl Night Trails 10K at Coombe Abbey Park, Coventry, is a nocturnal 10-kilometre trail run hosted by Big Bear Events. The route winds through woodland, meadow and grass fields around Coombe Abbey Park (CV3 2AB), with exposed roots, uneven surfaces, gates and an undulating profile. It’s a head-torc..