Donation Amount

Select the amount you would like to donate to Tania Degraffenreid's 100 mi challenge.

Donation Calculator

Calculate your donation based on an amount per-mile Tania Degraffenreid has committed to ride this September. Your total donation will be the amount you select multiplied by Tania Degraffenreid's 100 mi challenge goal and will be charged up-front.