Donation Amount

Select the amount you would like to donate to John Mayberry's 75 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

Calculate your donation based on an amount per-mile John Mayberry has committed to ride this September. Your total donation will be the amount you select multiplied by John Mayberry's 75 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