Chiltern 50 Ultra Challenge
Walk, jog or run some of the best of the Chilterns beautiful countryside and historic trails. Join Team Macmillan for 50% off, and together we will go the extra mile to support the 3 million people living with cancer in the UK
About the event
The Chiltern 50 Ultra Challenge covers some of the best of the Chilterns countryside. You can walk, jog or run along historic trails and over rolling hills.
Expect a great atmosphere, full support from our team, and free food and drink at regular rest stops. You'll start and finish at our Base Camp in Henley Showground. We will host a Saturday night celebration BBQ and entertainment with camping options.
Choose from the 50km, 25km or 10km challenge.
As Macmillan are an official partner on this event, you get a 50% discount on the 'Full Sponsorship' registration fee when signing up to support us. Head to the Macmillan Ultra Challenge page to find out full details of prices and to sign up.
How to enter the Chiltern 50 Ultra Challenge
All distance options have Charity, Mixed Funding or Own Place Fundraising for Charity options.
Charity fundraising
Mixed fundraising
Own Place Fundraising for Charity
Great achievements lie beyond comfort levels – join Team Macmillan
Why should I join?
You'll get full support and hospitality all the way, leaving you to focus on your challenge, including:
• Join as an individual or team
• Free food and drink provided
• Medical and welfare tents along the course
• Take on the challenge at your own pace
• Access to an exclusive Ultra Challenge event app
• Fully supported and signed route event
• Multiple distance options
• Camping packages available
• Finisher’s medal, t-shirt, and glass of fizz - plus other goodies available
How we'll support you
But most importantly...
We'll provide you with a reason to keep going because you'll know that you're helping improve the lives of people living with cancer.
Donations make up 98% of our annual income so we simply couldn't do what we do without you.
More about this event
For full information on this challenge, please visit the Macmillan Cancer Support Ultra landing page. You can also find FAQs here, or contact the Action Challenge event organisers directly
Please make sure you have read our Terms and Conditions before signing up.
Event Accessibility
Each Action Challenge Ultra Series event covers different terrain and landscapes, including steep climbs and descents, stiles, and uneven pathways subject to weather effects.
If you have any queries about the route, or have any special requirements to consider that you wish to chat through further before registering, please do not hesitate to contact the Action Challenge Team who will be happy to discuss course suitability.
Ready to join?
By joining us you'll know that you're helping improve the lives of people living with cancer in the UK today.