2024 Chiltern 50 Challenge

Take on the Chiltern Challenge
Pick your fundraising option and select CRUK today to help fund life-saving cancer research
Got your own place?
Request your sponsorship pack and join our team.
This 50km looped route covers some of the best of the Chilterns countryside. You can Walk, Jog, or Run along historic trails and over rolling hills. Starting & finishing at our Base Camp in Henley on Thames, there's a Saturday night celebration BBQ & entertainment with camping options.
Passing through nature reserves, forests, and a few hills with great views it's a route with real variety, and some wonderful scenery and it's all easily accessible from London.With 25km options also-there's a Chiltern Challenge here for everyone!
Your entry includes free food and drink at regular rest stops, plus support including medics, marshals and massage. As you cross the finish line, you’ll get a glass of fizz, t-shirt, and a medal to commemorate your achievement
Sign Up & Fundraising Options
1. Charity Sponsorship – you pay a small registration fee, do lots of fundraising and we cover the cost of your event place! As we are an official Charity Partner – you get 25% off the standard reg fee.
2. Mixed Funding – pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost. As we are an official Charity Partner – you get 10% off standard the reg fee.
3. Self Fund – you pay the full cost of the event place - fundraise whatever you want, with no set target or deadline, and there’s no cost at all to the charity!
Support for you
Help with your fundraising
Raising money for your marathon can be fun and easy – check out our top tips to hit your fundraising target.
Training plans and advice
We've teamed up with the experts to give you the very best training support and advice for your event.
Get a cheering pack

Our pack includes Cancer Research UK branded banner, clapper boards, cheering sticks, balloons, tattoos and running sacks. To get yours, email supporter.services@cancer.org.uk or call 0300 123 5461.