Chiltern 50 Ultra Challenge 2025 registration form

Staying in touch

If you share any sensitive personal data with us (e.g. about health or cancer experience or anything else), we will use this for the purpose of completing your registration, understanding your motivation for taking part and to improve our events.

By submitting this form you consent to us using your details to provide you with information about the event you are entering.

We would like to stay in touch to tell you more about our services and other ways you can help, including opportunities to donate, share your story, volunteer or fundraise.

Please contact me by (please tick):

We promise to keep your details safe and never sell or swap them with anyone. Our privacy policy explains how we keep this promise. If you don't want to hear from us, or change your mind about how we contact you, email contact@macmillan.org.uk or call 0300 1000 200.