Among the 50 competitors taking on the Quntuple Steps, UFO Slider, Bridge of Blades, Basket Toss, Pipe Climber and Warped Wall are a mix of newcomers and returning heroes, which include National Rugby League legend Paul Gallen, miracle mother Tash Sergie and tradie Sam Goodall, a Ninja Warrior favourite. The 20 competitors who make it the furthest the fastest will advance to the semi-finals.