Select the amount you would like to donate to Callen Hambrook's 75 km challenge.
Calculate your donation based on an amount per-kilometre Callen Hambrook has committed to ride this October. Your total donation will be the amount you select multiplied by Callen Hambrook's 75 km challenge goal and will be charged up-front.
A receipt will be sent to this email address
The challenge starts NEXT WEEK - Free Entry!
Sign up now
The challenge starts NEXT WEEK - Free Entry!
Sign up now