Donation Amount

Select the amount you would like to donate to Grant Michaelis's 400 mi challenge.

$50

$100

$250

$500

$1,000

OtherSurprise Grant

Donation Calculator

Calculate your donation based on an amount per-mile Grant Michaelis has committed to ride this September. Your total donation will be the amount you select multiplied by Grant Michaelis's 400 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