Pittsburgh, PA’s historic Carrie Furnace will host the fifth qualifying round where competitors tackle two new obstacles, the Snake Crossing and the Wind Chimes. Returning veterans include Michelle Warnky and ”Captain NBC” Jamie Rahn, while Olympian and Pittsburgh local Brianne McLaughlin and Harlem Globetrotter Flip White will take a shot at the course, along with University of Pittsburgh ”vampire” professor Joel Brady and Team USA members Joe Moravsky and Elet Hall.