On June 20, Karl broke Kilian Jornet's time on Denali by one minute. After more than 11 hours, it came down to the wire?
"He used skis, so I was way ahead at the top, but he was much faster going down."
Karl is going for FKTs on all the Seven Summits - he holds 4 of them simultaneously right now!
"I'm not that fast, but I'm at home on glaciers, up high, in the mountains. This is what I was born to do."