Donation Amount

Select the amount you would like to donate to Amy Chang's 50 mi challenge.

$35

$70

$120

$265

$500

OtherSurprise Amy

Donation Calculator

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

$