Many times during a hundred miles, you may convince yourself that it is impossible. I'm here to tell you, armed with the right knowledge...

200 mile races exploded in popularity over the last decade as Ultrarunners flock to measure themselves against the mysterious new distance.

If you can run a marathon, you can run a 50k. Here's how you do it. The average marathon takes 4 hours and 21 minutes. Adding five more...