Some of those jumps looked to be quite a bit less stable than the ones we made as kids.
The course also looked to be only about 3 inches wider than most handlebars. I'll bet plenty have clipped the sides of the buildings and been turned into obstacles for the next contestants.
(maybe the ramps are propped up on their lifeless bodies)
I hope there was some type of prize for that, like maybe a free house or something.
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