Trail Running calendar near Chiltern Hills 2025-2026

The Lucky Horseshoe is a versatile running event held at the Suffolk Running Centre in Bury St Edmunds, offering distances of 5k, 10k, half marathon, full marathon, and ultra marathon. The course features an out-and-back route, promoting a social atmosphere, with the marathon covering a full loop al..

Centurion Running’s Chiltern Wonderland 50 is a 50-mile single-loop ultramarathon set in the Chiltern Hills, starting and finishing in Goring-on-Thames, Oxfordshire. The route climbs around 5,600 feet and traverses picturesque villages rich in history, including locations made famous by British film..

BigSky Trails (AIR) is the finale of BigFeat Events’ Classic Element Trail Series, held at Hyde Common, Frogham, Nr Fordingbridge in the New Forest National Park. It offers 18-mile and marathon distances, starting near Hyde Common as dawn breaks and guiding runners over wide open plains and winding..

BRJ Run & Tri presents the Ouse Valley Way Marathon and Half Marathon, held on 21 September 2025 in Huntingdonshire. The event follows the Ouse Valley, a scenic, flat route designed along grass, gravel and tarmac paths. The classic route runs from Earith to Eynesbury, offering river views and rural..

Creative Juices 10km is a 10km trail race hosted by Creative Juices Brewing Company at Woodoaks Farm near Rickmansworth, WD3 9XQ. The mostly off-road course (about 95% off-road) winds through woodlands, footpaths and bridleways, starting adjacent to the brewery taproom and finishing back at the brew..

Clipston Trail Half and Country 5 Miler take place around Clipston, near Market Harborough, with start/finish at Clipston Recreation Ground, Station Road. The event offers two distances: a half marathon and a country 5-mile (ish) race, suited to trail newcomers or a shorter challenge. The routes run..

The Mells Scenic Race is a 7-mile running event held in the historic village of Mells, near Frome. The course features a mix of footpaths, bridleways, cycle paths, and quiet country lanes, offering a scenic route with some hills. The 2025 race follows the 2023 route, including a stretch along the cy..

Cirencester AC’s Chedworth Roman Trail offers two trail races set in the Cotswold countryside near Cirencester, Gloucestershire. The 10-mile (ish) single loop and a newly added 5-mile (ish) loop pass through Stowell Park, the Coln Valley, and close to the Chedworth Roman Villa. It’s a challenging mu..

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..

Cherhill Down Four Colour Local Event 2025, near Calne in Wiltshire, offers four colour-coded orienteering courses across open downland with copses, a hillfort and a prominent monument. Distances range from Yellow 2.2 km to Blue 6.0 km, with climbs up to about 225 m, catering to beginners through ex..

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..