ArticlesEnduranceHow We Get the Energy to RunEver wonder where we get the juice to run? Get ready to go back to science class with this d...By Jason R. Karp, Ph.D.
ArticlesEnduranceShould You Run More Miles?Can you become a better runner by logging more miles? The answer can be complicated. Coach J...By Jason Karp
ArticlesEnduranceDistance Running: How Many Miles Should You Run?One of the "rules" of distance running is that you must run lots of miles. Is this true, and...By Jason R. Karp, Ph.D.
ArticlesEnduranceHow to Taper to Boost PerformanceTapering allows the body to recover and adapt to training stress. But, how much rest is enou...By Jason R. Karp, Ph.D.
ArticlesEndurance7 Hill Running Workouts That Increase PowerBuild power and prep your body for the rigors of speedwork, racing and tackling uneven terra...By Jason Karp
ArticlesEnduranceHow to Train for Ups and Downs in Trail RunningConquer the uphills and downhills so frequently found on trails with these six tips from run...By Jason Karp, Ph.D.
ArticlesEnduranceHow to Cheat FatigueWant to run stronger for longer? Learn the science behind metabolism to understand how to ad...By Jason Karp, Ph.D.
ArticlesEnduranceTop 10 Marathon TipsNew to the marathon and unsure about what to expect? Coach and author of <em>Running a Marat...By Jason Karp
ArticlesEndurance3 Workouts to Increase VO2 MaxIncrease your heart's ability to pump blood and oxygen to your muscles and your fitness will...By Jason Karp
ArticlesEndurance3 Tips for Transitioning to Trail RunningTrail running differs from road running in several ways. Here's what you need to know before...By Jason Karp, Ph.D.
9 of the Best Cyclists Who Never DopedIf you thought a non-cheating pro cyclist was as mythical as a yeti, think again. These 10 cyclists went through the wringer and came out clean.
The Best Running Playlists for MotivationLooking for fresh music to mix up your running playlist? Whether you need a driving beat to set your pace, lyrics to push you through the hills, or...