Select the amount you would like to donate to Gregory Gremmen's 100 km challenge.
Calculate your donation based on an amount per-kilometre Gregory Gremmen has committed to ride this August. Your total donation will be the amount you select multiplied by Gregory Gremmen's 100 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
