Select the amount you would like to donate to Viera Gwyneth Castillo's 50 km challenge.
Calculate your donation based on an amount per-kilometre Viera Gwyneth Castillo has committed to ride this August. Your total donation will be the amount you select multiplied by Viera Gwyneth Castillo's 50 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
