Two people are walking up a path on a hill. There are trees and other greenery around them. The people are wearing long trousers, long tops, and backpacks that have event numbers on them.

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

28 September 2024
50km, 25km and 10km options

About the event

How to enter the Chiltern 50 Ultra Challenge

Two men on a hike hugging

Charity fundraising

A woman crouching down tying the laces on her bright orange trainers

Mixed fundraising

Macmillan supporters on a hike

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

Icon T-shirt
A green hand holding up a green circle with a white GBP symbol

But most importantly...

More about this event

Event Accessibility

Ready to join?

See other events

Three people photographed from behind with their arms around each other wearing green Macmillan running tops

Are you looking for a different event?

If this event doesn't quite fit the bill, there are loads more to chose from. Go back to the events listing to find the perfect event for you.

View all events