Donation Amount

Select the amount you would like to donate to Gregg Berentz's 50 mi challenge.

$35

$70

$120

$265

$2,500

OtherSurprise Gregg

Donation Calculator

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

Donation Total:

$