Trail Running calendar near London 2025-2026

Phoenix Striders Dunton Demon Races return at Langdon Nature Discovery Park in Basildon, Essex. The event offers three race options: Dunton Demon 5 mile, Dunton Demon 5k, and Dunton Demon 1k/2k Tinnies Toddle for children. The challenging trails loop through Langdon Hills, with routes visiting lakes..

Ticehurst 7.5km Trail Race is a scenic, mostly off-road event staged by 1066 Trail Races at Ticehurst Village Hall (TN5 7BB). The 7.5-kilometre circuit loops around the village, with about 70% on trail surfaces. The middle 3km offers superb views of Bewl Water, the South East’s largest reservoir.The..

Manuden 10K, 5K and 1K takes place in Manuden, with the start/finish on Rickling Road near the Yew Tree pub. The event offers three distances: 10k and 5k routes that head off-road across fields, bridleways and footpaths, plus a 1k route for younger runners. Medals are awarded to all finishers, and w..

Trifarm 10k Autumn Trail Run is at Trifarm, Boreham, near Chelmsford, Essex. This 10-kilometre trail race is the third in the Trifarm series. The route is mostly off-road on public footpaths and bridleways, starting with a 3/4-lap of the on-site track and finishing near a bridge via a public path; t..

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..

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..

Eridge Park 10 Trail Challenge, staged at Eridge Green in Tunbridge Wells, Kent, marks its 25th anniversary in 2025. The 10-mile off-road trail race is renowned as a favourite among trail runners, offering stunning scenery, steep, narrow climbs and plenty of mud along a traffic-free route through Er..

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...

Harbour Wallbanger is a coastal 7k running event staged by Sporting Events UK, in partnership with Thanet Roadrunners AC. The race starts on Broadstairs Beach at low tide, heads to Ramsgate to 'bang the Harbour Wall,' and returns along the coast to Broadstairs in Kent. The event welcomes beginners a..

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..