A large group of people setting off at the starting line of an ultra challenge.

Chiltern 50 Ultra Challenge

Explore the best of the Chilterns countryside, from rolling hills and historic trails to nature reserves and fantastic views.
24 September 2022
~25km and 50km routes

About The Event

Why should I join Team Macmillan?

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