Donation Amount

Select the amount you would like to donate to Mary Kate Grant's 75 mi challenge.

$35

$70

$120

$265

$500

OtherSurprise Mary

Donation Calculator

Calculate your donation based on an amount per-mile Mary Kate Grant has committed to ride this September. Your total donation will be the amount you select multiplied by Mary Kate Grant's 75 mi challenge goal and will be charged up-front.

$0.30 cents/mi

$0.50 cents/mi

$0.80 cents/mi

$1/mi

$1.50/mi

$2/mi

Donation Total:

$