Warning The details of this event are TBC (To be confirmed). This a preliminary post to help riders and event organisers plan their calendars. Further information will be made available as soon as it arises.Kozakov Challenge What is there to say? Kozakov Challenge is back for it's 14th year. It doesn't get better than this. Commonly known as the Formula 1 of downhill skateboarding, this is by far the most famous and popular race in the world. And never mind the hill, Koz's fame comes largely from its amazing parties too! A true festival celebrating downhill skateboarding, this is one…