The Inflatable Obstacle Course is one of the most popular It’s a Knockout events. The Inflatable Obstacle Course is suitable for both children & adults to race. Two It’s a Knockout teams race at the same time on a relay basis on the Inflatable Obstacle Course. The total length of the inflatable Obstacle Course is 50ft long. You can also add an Inflatable Basketball to the end of the inflatable obstacle course for extra fun. The Inflatable Obstacle course is a challenging fun activity suitable for any It’s a Knockout event.