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