Donation Amount

Select the amount you would like to donate to Ganson Mackey Mackey jr's 400 mi challenge.

$50

$100

$250

$500

$2,500

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Donation Calculator

Calculate your donation based on an amount per-mile Ganson Mackey Mackey jr has committed to ride this September. Your total donation will be the amount you select multiplied by Ganson Mackey Mackey jr's 400 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