Running got someone out of prison! No, not like that! (via +Runner's World Magazine)
Personally, I like to brag about both:
How to prevent injuries in runners. Injuries are bad, mmmkay? (via @TheRunningMan)
The science of marathon running below. All this tells me is that Bill Nye would be a great runner.
Heel-striking during running: not all bad. TEACH THE CONTROVERSY. (via +Competitor Group, Inc)
Reddit's weekly running pictures thread. Inspiration and motivation! (via +reddit)