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Imagine hiking six miles with your feet in this condition. (Anonymous Reader)
A blister from my 2006 Pacific Crest Trail hike. (Junaid Dawd)
This is what new boots can get you. (Matt Lovas)
The aftermath of running the 48-mile Grand Canyon Rim to Rim to Rim. (Kendrick Callaway)
Blister after hiking 10 miles in the rain at Isle Royale. (Dale Mandelko)
I earned these on the 18-mile Commando Run in Vail. I had to wear clogs for two weeks afterwards! (Matt Livengood)
After a 50-mile hike on the Pacific Crest Trail. (Julie Rasmussen)