Select the amount you would like to donate to Gisela Rochin Stringel's 100 mi challenge.
Calculate your donation based on an amount per-mile Gisela Rochin Stringel has committed to ride this September. Your total donation will be the amount you select multiplied by Gisela Rochin Stringel's 100 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
