This is possibly the weirdest and most unenjoyable sport of them all. River Bugging involves riding down a river in an inflatable armchair with dorky green flippers attached to your feet. It appears you steer by uselessly flapping your arms in the water before inevitably inverting face first like, well, a doomed bug. Plus, they make Marketing Mistake #2 – using The Strokes as your soundtrack also does not an extreme sport make.