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