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