Donation Amount

Select the amount you would like to donate to Richard CASTRO II's 100 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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

$0.30 cents/mi

$0.50 cents/mi

$0.80 cents/mi

$1/mi

$1.50/mi

$2/mi