Select the amount you would like to donate to Phithack Maokhamphiou's 50 km challenge.
Calculate your donation based on an amount per-kilometre Phithack Maokhamphiou has committed to ride this October. Your total donation will be the amount you select multiplied by Phithack Maokhamphiou's 50 km challenge goal and will be charged up-front.
A receipt will be sent to this email address
