Donation Amount

Select the amount you would like to donate to William Kirby's 200 mi challenge.

$50

$100

$250

$500

$2,500

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Donation Calculator

Calculate your donation based on an amount per-mile William Kirby has committed to ride this September. Your total donation will be the amount you select multiplied by William Kirby's 200 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