Select the amount you would like to donate to Jeffrey Carlson's 100 mi challenge.
Calculate your donation based on an amount per-mile Jeffrey Carlson has committed to ride this September. Your total donation will be the amount you select multiplied by Jeffrey Carlson's 100 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
The Challenge Starts TODAY. Free Entry!
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The Challenge Starts TODAY. Free Entry!
Sign Up Now