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