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Chiltern 50 Challenge

Trek through some of the Chilterns finest countryside, with historic trails, rolling hills, nature reserves and fantastic views.

Walk, jog or run all over kidney disease

Take on an ultra challenge through some of the Chilterns’ finest countryside and raise vital funds for Kidney Research UK. 

Starting in Henley, you will follow a route packed with variety, from historic trails and rolling hills to peaceful nature reserves and fantastic views across the countryside.

With full support and hospitality along the way, including food, drink, rest stops and a well-earned celebration at the finish line with your medal and t shirt, you will have everything you need for an unforgettable day.

With 25 km and 10 km options also available, there is a Chilterns Challenge for everyone. Step up for kidneys and make every kilometre count towards lifesaving research 

Henley Showground, Hambleden

10km, 25km, 50km distances

26 September 2026

Minimum sponsorship £100-£375 (depending on event)

As part of #TeamKidney you'll receive...

Tshirt and free fundraising pack

A Kidney Research UK t-shirt

A fundraising pack full of tips and ideas

Support from our dedicated team every step of the way

Regular updates to inspire you with training and fundraising

Other useful stuff

Image FR pack

Fundraising

Get all the materials and resources you need for your fundraiser.

London Bridges Walk walkers

Dress to impress

Get extra merchandise and show everyone you're on #TeamKidney.

A runner finishing an event wearing the Kidney Research UK running top

Got your own place?

Tell us about your event and we'll support you all the way.

London Bridges Walk walkers

Fundraise online

Get your fundraising off to a flying start with your own JustGiving page.

Frequently asked questions

Got a question? Get in touch

If you have a question or would like to chat about one of our events, the team here at Kidney Research UK are happy to help. Please get in touch.

0300 303 1100

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