[1] It was co-founded by racecar driver Ken Block, clothing brand DC Shoes and promoter Chris Willard.
However, the 2011 edition was cancelled after business conflicts and Willard left the organization.
The driver with best aggregate times advances to the next round of the bracket.
Courses have tight corners, which encourage drivers to apply drifting techniques, and feature obstacles such as barrels, tyres, ship containers and tanks.
The event features several rallycross and drifting champions and also amateur racers, sometimes split in different classes.