Select the amount you would like to donate to Cecilia Uriostegui's 100 mi challenge.
Calculate your donation based on an amount per-mile Cecilia Uriostegui has committed to ride this September. Your total donation will be the amount you select multiplied by Cecilia Uriostegui's 100 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
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