Donation Amount

Select the amount you would like to donate to Charles Guinn's 500 mi challenge.

$35

$70

$120

$265

$2,500

OtherSurprise Charles

Donation Calculator

Calculate your donation based on an amount per-mile Charles Guinn has committed to ride this September. Your total donation will be the amount you select multiplied by Charles Guinn's 500 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

Donation Total:

$