These guys do things I can't even imagine. Ultra runners have something I don't at this point in my life. I do not know if I will ever attempt this on my own, but I like to think I might entertain the idea some day. At least, if my brother does sign up, I'll be on his team at any stop he needs. Check out a few stories from the Leadville 100, yes... that means 1-0-0 miles on foot. These are some guys I met at my first Leadville race earlier this year. Some competed, some paced fellow friends. Runners are a good breed!
Tony Krupicka- http://antonkrupicka.blogspot.com/
Nick Clark - http://www.irunmountains.blogspot.com/
Crazy dude - http://pittbrownie.blogspot.com/