Select the amount you would like to donate to Tita Ruiz Tardi's 400 mi challenge.
Calculate your donation based on an amount per-mile Tita Ruiz Tardi has committed to ride this September. Your total donation will be the amount you select multiplied by Tita Ruiz Tardi's 400 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
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