Coast To Coast cycle Costa Rica
Learn more about this 500km bike ride from the Pacific to the Caribbean in the treks and challenges section.
Hardrian's Wall trek
Find out how to take part in our trek along 25 miles of Hadrian’s Wall in the treks and challenges section.
Take part in the challenge of a lifetime and support our vital cancer research. Whether trekking, cycling or running, we have a wide variety of challenges available across the globe throughout the year.
Sign up now for one of our challenges:
Or if you are feeling creative download our fundraising pack and do your own thing.
The ICR also runs an annual programme of special and social events throughout London. For more information, please visit our Special Events page.