Donation Amount

Select the amount you would like to donate to duncan campbell's 75 mi challenge.

$35

$70

$120

$265

$500

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Donation Calculator

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

Donation Total:

$