It consists of two racers racing two almost identical tracks next to each other down a slope.
The winner moves on to the next round until they have 2 riders left racing in the final.
The first dual slalom race occurred at Mammoth Mountain, California 1987.
Greg Herbold won the 1988 inaugural Dual Slalom.
2012 Sea Otter Classic Dual Slalom video This cycling-related article is a stub.