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