There aren't many who wouldn't even attempt to go down a mountain at 70mph in a vehicle, much less a longboard. But that's exactly what Boulder, Colorado native Zak Maytum does when he bombs down a mountain. Get ready to sweat bullets!

It could've all been over for this longboarder after getting blindsided by a car at an intersection. He was in the middle of a pretty impressive run when he saw the car, dropping into a slide to avoid it. He gets hit head on but managed to survive. Luckily, his helmet saved his life and he was ...

Hopping on a piece of wood with four wheels and going downhill at speeds upward of 50 miles per hour comes with some obvious risks. That's more than apparent after this crazy run and even crazier finish by Francisco Bocanegra during a downhill run. We don't know exactly how fast he got up to, ...