Donation Amount

Select the amount you would like to donate to Norma Guzman Duran's 100 mi challenge.

Donation Calculator

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