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