Select the amount you would like to donate to Marissa Shirley's 75 km challenge.
Calculate your donation based on an amount per-kilometre Marissa Shirley has committed to ride this August. Your total donation will be the amount you select multiplied by Marissa Shirley's 75 km challenge goal and will be charged up-front.
A receipt will be sent to this email address
Canada Revenue Agency requires all receipts to display a postal address
