in the bmx world, if you build it, apparently they will jump. >> the whole crowd was really into it. and they were like chanting "bonedeath." egging me on. >> matt charges down the makeshift runway. >> when i saw matt pedaling, i was a bit concerned? >> concerned? not a word you hear often among these events, but steve was right to be concerned. matt falls short of the landing and crashes to the ground. steve interviews him just moments later. >> what just happened? >> i try to do jump the holy roller and bounces off the roller on my face. it was fun.