Door Rider

The Door Rider is an obstacle firstly introduced in Ninja Warrior UK, as the second obstacle in Heat 4 and was used in another Ninja Warrior formats, which was Ninja Warrior Poland (season 4 and 5) and Ninja Warrior Russia (season 3), but was not used in American Ninja Warrior. Competitors must slide down on the doors (the doors is similar to the one used on Floating Boards) on a track with one bump keeping to its side edges and then jump down to the landing platform.