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