Donation Amount

Select the amount you would like to donate to Ruocheng Guo's 75 mi challenge.

$35

$70

$120

$265

$520

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Donation Calculator

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

$