Donation Amount

Select the amount you would like to donate to Isaac Lenzen's 75 mi challenge.

$35

$70

$120

$265

$500

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Donation Calculator

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

$