Go ninja, go ninja, go!

I'd watch that shit

Oh my god
I would pay for this

I could get behind that

OK I'm gonna try getting Mexican citizenship, just to try this if it ever happens

Then USA would have nothing but elite, buff, super athletic immigrants.....so basically xmen...

How about a Wipeout wall that leads upward on a back and fourth path with safety foam or something at the bottom rather than mud or water.