Definitely impressive . . . in its stupidity or greatness?
I love how EPIC the whole video is, "the most extreme thing man has ever done." Plus, the slow-mo putting on the helmet. Anyway, I guess this is the world-record for riding a dingy over some falls (probably not many other entrants) but here's another kayaker going over 186 foot falls in WA state:
http://adventure.nationalgeographic.com/kayak-waterfall-record