Donation Amount

Select the amount you would like to donate to Sam Marquez's 100 mi challenge.

$35

$70

$120

$265

$500

OtherSurprise Sam

Donation Calculator

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

Donation Total:

$