Select the amount you would like to donate to Gustavo Tropeano Valenga de Assis's 200 mi challenge.
Calculate your donation based on an amount per-mile Gustavo Tropeano Valenga de Assis has committed to ride this September. Your total donation will be the amount you select multiplied by Gustavo Tropeano Valenga de Assis's 200 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
