Donation Amount

Select the amount you would like to donate to Tuyen Duc Dao's 50 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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