Donation Amount

Select the amount you would like to donate to Lilian Knopp's 20 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

Calculate your donation based on an amount per-mile Lilian Knopp has committed to ride this September. Your total donation will be the amount you select multiplied by Lilian Knopp's 20 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