Select the amount you would like to donate to Michael S Kuhn Michael S Kuhn's 200 mi challenge.
Calculate your donation based on an amount per-mile Michael S Kuhn Michael S Kuhn has committed to ride this September. Your total donation will be the amount you select multiplied by Michael S Kuhn Michael S Kuhn's 200 mi challenge goal and will be charged up-front.
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Sign Up Now to Win a Trek Bike – ENDS FRIDAY!
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