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