Select the amount you would like to donate to Karolina Hrehorowicz's 39 mi challenge.
Calculate your donation based on an amount per-mile Karolina Hrehorowicz has committed to ride this September. Your total donation will be the amount you select multiplied by Karolina Hrehorowicz's 39 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
