Select the amount you would like to donate to Gregg van der Westhuizen's 75 km challenge.
Calculate your donation based on an amount per-kilometre Gregg van der Westhuizen has committed to ride this October. Your total donation will be the amount you select multiplied by Gregg van der Westhuizen's 75 km challenge goal and will be charged up-front.
A receipt will be sent to this email address
