Select the amount you would like to donate to Colin Clark's 400 km challenge.
Calculate your donation based on an amount per-kilometre Colin Clark has committed to ride this October. Your total donation will be the amount you select multiplied by Colin Clark's 400 km challenge goal and will be charged up-front.
A receipt will be sent to this email address
The challenge starts THIS WEEK - Free Entry!
Sign up now
The challenge starts THIS WEEK - Free Entry!
Sign up now