Donation Amount

Select the amount you would like to donate to Monse Sierra's 75 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

Calculate your donation based on an amount per-mile Monse Sierra has committed to ride this September. Your total donation will be the amount you select multiplied by Monse Sierra's 75 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