Heat 1 - S1.E1

From everyday heroes to top sports athletes, the first 50 competitors line up for a shot at the world's most difficult obstacle course, taking on the Quintuple Steps, Silk Slider, Bridge of Blades, Tyre Swing to Cargo Net, Tilting Ladders and Warped Wall. The 18 competitors who make it the furthest the fastest advance to the semi-finals.