Select the amount you would like to donate to Shelly Zaffke's 20 mi challenge.
Calculate your donation based on an amount per-mile Shelly Zaffke has committed to ride this September. Your total donation will be the amount you select multiplied by Shelly Zaffke's 20 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
The challenge starts NEXT WEEK - Free Entry!
Sign Up Now
The challenge starts NEXT WEEK - Free Entry!
Sign Up Now