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