Donation Amount

Select the amount you would like to donate to Mariela Herrera's 50 mi challenge.

$50

$100

$250

$500

$2,500

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Donation Calculator

Calculate your donation based on an amount per-mile Mariela Herrera has committed to ride this September. Your total donation will be the amount you select multiplied by Mariela Herrera's 50 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