You can't registrate without IDF membership and havIng paid the IDF membership fee. For succesfull registration for Kozakov Challenge 2019 you have to pay the admission (step of the registration process) for the number of cathegories you want to race in and choose if you want to taketheMonday, or Tuesday freeride. When you're succesfully registred your name is shown in the list at the IDF event page.
Cathegories:
Longboard (open)
Woman
Junior
Master
Luge
