Whether it was for bikes, 'boards, or remote-control trucks, a lot of us have great childhood memories digging dirt courses. Dave King took it to the next level, made dirt-track construction for BMX bikes his livelihood.

King's got his own sport-landscaping outfit called Dirtsculpt, and builds some of the most badass tracks in bicycle motocross.

Red Bull sat down with him and heard is story, which you can read right here.

Image: Red Bull