Donation Amount

Select the amount you would like to donate to Sydney Airitam's 50 mi challenge.

$50

$100

$250

$500

$1,000

Other

Donation Calculator

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