Donation Amount

Select the amount you would like to donate to Khristine Hayes's 75 mi challenge.

$50

$100

$250

$500

$1,000

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Donation Calculator

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