Donation Amount

Select the amount you would like to donate to Tim Green's 50 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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