Select the amount you would like to donate to Jack Kramer's 20 mi challenge.
Calculate your donation based on an amount per-mile Jack Kramer has committed to ride this September. Your total donation will be the amount you select multiplied by Jack Kramer's 20 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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