The Chiltern Challenge covers some of the best of the Chilterns countryside & is a brilliant way to either end your Ultra Challenge season with a bang, or a great challenge to start your Ultra Challenge journey. Walk, jog or run a 50k, 25k or 10k loop as an individual or a team, with full support and hospitality all the way. With a start and finish at our basecamp in Henley, there’s also a Saturday night celebration BBQ, bar & entertainment, with extensive on-site camping & parking options – there’s a challenge for everyone!
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