Select the amount you would like to donate to Xiomara Ducuara Sierra's 50 mi challenge.
Calculate your donation based on an amount per-mile Xiomara Ducuara Sierra has committed to ride this September. Your total donation will be the amount you select multiplied by Xiomara Ducuara Sierra's 50 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
