Donation Amount

Select the amount you would like to donate to Dawn Gishitomi Sarroca's 75 mi challenge.

Donation Calculator

Calculate your donation based on an amount per-mile Dawn Gishitomi Sarroca has committed to ride this September. Your total donation will be the amount you select multiplied by Dawn Gishitomi Sarroca's 75 mi challenge goal and will be charged up-front.