Biking down to the store to pick up a two liter of soda is one thing. Bombing down a steep street at full speed, throwing all caution to the wind is another, and Marcelo Gutierrez is a pro at it. This is is winning run from the recent Valparaiso Urban Downhill competition, and it's enough to make your palms sweat. Good job Marcelo, but next time I want to see some unicycling. [Reddit]