Select the amount you would like to donate to Sam Hubbard-Hersey's 100 mi challenge.
Calculate your donation based on an amount per-mile Sam Hubbard-Hersey has committed to ride this September. Your total donation will be the amount you select multiplied by Sam Hubbard-Hersey's 100 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
