A training plan and general principles to guide your first foray into longer ultramarathons

There are lots of ways to find your running potential. These tips may not be helpful in that process.

A burgeoning area of training science theorizes that the less stressed a runner is, the more positively he or she may adapt to training stimuli. Plus 5 quick tips to lower your own stress levels.

Free-flowing, feel-based long runs still have a place in structured training plans.

Coach David Roche explores the benefits of hill workouts and explains eight of his favorites, from the T. Rex to the Quad Blaster.