Donation Amount

Select the amount you would like to donate to David Liu's 50 mi challenge.

$35

$70

$120

$265

$500

OtherSurprise David

Donation Calculator

Calculate your donation based on an amount per-mile David Liu has committed to ride this September. Your total donation will be the amount you select multiplied by David Liu's 50 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:

$