It was still dark when Alex Honnold stepped out of his van dressed in his favourite red t-shirt and cutoff nylon pants. He slipped on a pair of sticky soled climbing shoes, fastened a small bag of chalk around his waist, found his first toehold, and at 5.32am on that early Saturday June 3rd morning, began inching his way up toward climbing history. At 9.28am – a mere 3 hours 56 minutes later - he pulled himself over the rocky summit of El Capitan in Yosemite National Park and became the first solo climber to scale the 914m vertical granite wall without ropes or any safety harness. A feat known as free solo climbing.