Mountainboarder Sean Vile, 14, flies off a jump built in an empty corner lot in Carlsbad. With few public terrain parks or tracks, mountainboarders search out hills, build their own jumps and hope the city or a developer doesnÂ’t bulldoze them before the next session. (George Wilhelm / LAT)
Brad Beren, 26, slides his mountainboard to a quick stop in the dirt while riding at a corner lot in Carlsbad. He and some friends in the SoCal Dirt Riders Club are doing everything they can to promote the under-recognized sport of mountainboarding. They get together on weekends to ride on a variety of terrain. (George Wilhelm / LAT)