Select the amount you would like to donate to Erik Hettinga Erik Hettinga's 75 mi challenge.
Calculate your donation based on an amount per-mile Erik Hettinga Erik Hettinga has committed to ride this September. Your total donation will be the amount you select multiplied by Erik Hettinga Erik Hettinga's 75 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
