Bruce Hildenbrand

Knowing the difference between good and bad bolts can save your life.

And #50 was the most special of all: his hardest climb to date, and a first ascent to boot.

Hobbs Kessler wants to be the first person to run a sub 4-minute mile and climb 5.15 and V15. And he just might do it.

Check out Bruce Hildenbrand's author page.