Select the amount you would like to donate to Cynthianna Sterkis's 75 mi challenge.
Calculate your donation based on an amount per-mile Cynthianna Sterkis has committed to ride this September. Your total donation will be the amount you select multiplied by Cynthianna Sterkis's 75 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
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