Donation Amount

Select the amount you would like to donate to John Porter's 50 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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