Ice cross downhill
, is a winter extreme sporting event which involves direct competitive downhill skating on a walled track featuring sharp turns and high vertical drops. It is similar to ski cross and boardercross, except with ice skates on an ice track, instead of skis or snowboards on a snow track. Ice cross is sanctioned by ATSX, the All Terrain Skate Cross Federation. The ice cross international sports federation is the International Ice Cross Sports Federation (IICSF), which sanctions the World Ice Cross League.