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KENNEWICK, Wash. -- If you've seen crews on Cascade Street downtown Kennewick putting up scaffolding and shoveling snow, they're prepping for a professional ski and snowboard rail jam.

The "Tire Factory TC Throwdown" will start Saturday at 2pm. Professional boarders from all over the region will compete for a $1,000 first prize.

The snow was harvested from local ice rinks and hauled downtown. It's free to watch and goes until around eight.

Pro rail jam ginds into Kennewick downtown

Athletes from all over the region will compete in the winter season kick off.