Centurion Chiltern Wonderland 50
Goring, United Kingdom • 19 Sep 2026
Chiltern Wonderland 50
Centurion Running stages the Chiltern Wonderland 50, a single 50 mile loop through the Chiltern Hills around Goring on Thames, Oxfordshire. The route covers about 81 km with approximately 5,600 ft of ascent and descent, and runs over varied terrain roughly 80% trail and 20% road. The course passes through riverside and historic villages, Stonor Deer Park, Turville and Cobstone Windmill, reaches the highest point at Christmas Common (800 ft), and finishes back in Goring.
The event is held under a UK Athletics permit through the TRA and is fully marked. Runners are supported by five staffed aid stations, full race medical cover including a static finish team and roving medics, and a minimum of one roving medical team on course. There is a 13 hour overall cut off with additional cut offs at aid stations. The organiser limits the field and reported number of starters is 250.
Entry information includes a qualification requirement of a completed marathon distance within the race cut off between 1 January 2021 and race day; entry fees are listed at £115 or £117 for unattached runners. No pacers or crews are permitted. Finishers receive a medal and prizes are awarded for the top three male and female positions and for multiple veteran categories.
Mandatory kit includes a charged mobile phone, at least 1 litre of carrying capacity for fluids, a survival blanket, waterproof jacket with sealed seams, whistle, a main and backup headtorch each 100 lumens minimum, a long sleeved warm layer kept dry, and a cup or mug. Drop bags are only permitted at the finish. Hot food and vegetarian and vegan options are available free to finishers. Visit the organization's website for the most recent information.