Select the amount you would like to donate to Grace Shiffrin's 50 mi challenge.
Calculate your donation based on an amount per-mile Grace Shiffrin has committed to ride this September. Your total donation will be the amount you select multiplied by Grace Shiffrin's 50 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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