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