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