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