Experts share the best types of interval training to help you improve both as a long-distance runner and an all-around athlete.

GOT GOALS? We’ve got your roadmap to results. In our exclusive workout app, All Out Studio, we’re giving you access to Runner's World’s top coaches like never before. You’ll get follow-along video ...

Looking for legs of steel? Consider taking your running off-road. When a group of researchers compared the difference between road and trail elite male runners in terms of leg strength, the off-road ...

Combining Zone 2 running, goal pace running and sprinting in your weekly training plan can be ideal for developing aerobic endurance, pacing skills and explosive speed.