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Chiltern 50 Ultra Challenge for Mind Over Mountains 2026

Thank you so much for joining us to fundraise for our work! We are here to support you and will send your fundraising pack once you are booked on. Exciting!

Take on the Chiltern 50k, 25k or 10k - simply register below and select Mind Over Mountains as your charity of choice on the website.

End of season 50 km looped challenge in some of the Chilterns finest countryside, with historic trails, rolling hills, nature reserves, and fantastic views. 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!

When: Saturday 26 September 2026

Where: Henley

You can find more information all about the event here (and contact us about how to run for Mind Over Mountains)

Frequently asked questions

Our fundraising challenge events do require higher levels of fitness than our normal walks and retreats, so we are always happy to chat about what's involved. Do just email us anytime!

We recommend our walkers wear walking boots with ankle support, walking shoes or off-road running trainers - the most important thing is having a more rugged sole/grip to prevent slips and potential injuries on rocky, muddy or uneven terrain. This doesn't have to be expensive or high-quality brands at all - Go Outdoors or Mountain Warehouse are generally very good value.Ā 

We do work with a fantastic organisation called KitSquadĀ who can help with providing second-hand kit so please do feel free to contact them with what you need and hopefully they can help.

Dogs, other than registered assistance dogs, are not permitted on our events. Sorry! Please advise us in advance if you need to bring an assistance dog. Thank you.