Select the amount you would like to donate to William Felker's 100 mi challenge.
Calculate your donation based on an amount per-mile William Felker has committed to ride this September. Your total donation will be the amount you select multiplied by William Felker's 100 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
Sign Up Now to Win a Trek Bike – ENDS FRIDAY!
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Sign Up Now to Win a Trek Bike – ENDS FRIDAY!
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