Donation Amount

Select the amount you would like to donate to Kei Ziegerer's 50 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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