Select the amount you would like to donate to Lydia Dumke's 40 mi challenge.
Calculate your donation based on an amount per-mile Lydia Dumke has committed to ride this September. Your total donation will be the amount you select multiplied by Lydia Dumke's 40 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
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Sign Up Now to Win a Trek Bike – Ends Soon!
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