27th September 2025
Chilterns
UK trek
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.
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!
Visit the Challenge website for all the info
Raising money for your marathon can be fun and easy – check out our top tips to hit your fundraising target. See how you can raise money
We've teamed up with experts to give you the best training support and advice for your event. Whether it's your first time training or you're looking to smash a PB, we've got a training plan for you.
Our pack includes a Cancer Research UK banner, clapper boards, cheering sticks, balloons, tattoos and running sacks! To get yours email us supporter.services@cancer.org.uk or call 0300 123 5461
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