West Wycombe - 12 Miles - Guided Run

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..

The Humanity Direct Tring Ultra is a one-day trail event on 20 September 2025, starting and finishing at Tring Cricket Club (HP23 5NG) in the Chilterns, Hertfordshire. Distances offered are: 50 km (full ultra, listed also as 31 miles) 27 km (half ultra) 10 km Ascent gain varies by distance, repor..

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..

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..

Richmond Park Half Marathon is a trail-style half marathon held entirely within Richmond Park, London. The course starts and finishes at Sheen Gate (race HQ) and covers 13.1 miles, looping from the centre to Richmond Gate and along the Tamsin Trail, with climbs to Broomfield Hill for drinks and pass..