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