50 km Loop + 25 km & 10K
Fabulous 50 km looped challenge in some of the Chilterns finest countryside – and you can join and fundraise for your favourite charity. With historic trails, rolling hills, nature reserves, and fantastic views – this is one not to miss! At our basecamp in Henley, there’s a Saturday night celebration BBQ, bar & entertainment, with extensive on-site camping & parking options. A route with real variety and some wonderful scenery – and easily accessible from London. You’ll get full support & hospitality, and with 25 km loop option and a 10K loop also available, there’s a Chiltern Ultra Challenge® for everyone!