Banked slalom is similar to other forms of slalom except that it is almost never head - to - head .
The course weaves through a non-level obstacle course , as opposed to a street surface where other forms of slalom are held .
Banked slalom is similar to other forms of slalom except that it is almost never head - to - head and the course weaves through a non-level obstacle course , as opposed to a street surface where other forms of slalom are held .