Download both files locally on your computer. Then make a donation on the Challengedathletes.org website at the Donate today and save your transaction ID. Fill out as completely as possible. Save when done. You should NOT see the web URL in the address when filling them out - https://k2sierra4trees.org/. Email them to firstname.lastname@example.org and email@example.com.
***Print out the forms and bring them with you on race day***