Rainer Jundt

Rainer Jundt is a competitor who calls himself The Nature Ninja.He first competed on American Ninja Warrior 11.

American Ninja Warrior 11
He competed in Tacoma, where his run was cut, but he failed the Lightning Bolts. However, it was enough to place 22nd, so he advanced to the city finals.

In the city finals, he failed the same obstacle, placing 18th and therefore not moving on.