Catalign Innovation Consulting: Doing the last experiment first: illustrated through Alex Honnold's El Capitan free-solo
Alex Honnold free solo climbs El Capitan, Yosemite
Free Solo Climber Alex Honnold Ascends Yosemite's El Capitan Without a Rope
Rock God: How Alex Honnold Climbed El Capitan | GQ
A Record-Setting Climb Up El Capitan, Without Ropes - The New York Times
Alex Honnold interview: what next after free-climbing El Capitan? | The Times Magazine | The Times
Free Solo - Freerider - El Capitan
No rope. No gear. 3,000 feet of granite. One man's amazing feat up El Capitan. | The Seattle Times
Climbing El Capitan (and Alex Honnold) - Discover Yosemite National Park
It's sort of the extreme': Free Solo's Alex Honnold on rock-climbing without ropes | Rock climbing | The Guardian
Free Solo, Boulder Problem - YouTube
Alex Honnold can't feel fear ... just as well, since he scales world's most terrifying rock faces | Daily Mail Online
Video: Alex Honnold Climbs Freerider Boulder Problem in the Gym
Alex Honnold - The perch below the Boulder Problem - the last place to chalk up before doing the hardest 12 moves of the route. This was probably the most intense position
Top Climber's Thoughts on How Alex Honnold Free-Soloed El Capitan - Gripped Magazine
Rock God: How Alex Honnold Climbed El Capitan | GQ
No ropes attached: behind two heart-racing free climbing documentaries | Documentary films | The Guardian
Alex Honnold casually climbed a rock higher than the world's tallest building. With no safety gear. - SBNation.com
AAC Publications - Freerider
Oscars: Free Solo documentary and how Alex Honnold climbed without ropes | CNN
Free Solo - Boulder Problem - YouTube
