Ultra Challenge – Chiltern 50

This end of season 50 km looped route covers some of the best of the Chilterns countryside, with historic trails, rolling hills, nature reserves, and fantastic views. Starting & finishing at our base-camp in Henley, there’s a Saturday night celebration BBQ & entertainment with extensive on-site camping & parking options. It’s a route with real variety and some wonderful scenery – and it’s all easily accessible from London. You’ll get full support & hospitality all the way, and with a 25 km option also – there’s a Chiltern Challenge for everyone!

Whether you’re a walker and new to challenge events, an experienced trekker, a marathon enthusiast upping the distance, or a seasoned ultra runner after UTMB points – there’s an Ultra Challenge for you! Walk, Jog, or Run – as an Individual or a Team, for a charity of your choice or just for you. The Chiltern Challenge is fun, safe, and rewarding – with full support all the way, enabling you to push yourself further and celebrate your achievements.