Double Days: What They Are and How to Reap the Benefits

Doing more than one workout a day is designed to improve your fitness. As long as it's done intelligently, the more results you'll see long term. H...

By Caitlin Chock

The Best Race-Week 5K Workout

You're one week away from a 5K, and it's your goal to run the best time you can. Complete this workout during race week to prime your body to race ...

By Jason Fitzgerald

How to Gut It Out When You Want to Quit During Workouts

Each hard workout is a mental test: Will you stay tough or wimp out? Learn how to gut through the days when you're not at your best.

By Caitlin Chock

8 Ways Trail Running Can Improve Your 5K

To improve your 5K, you don't just need to pound the pavement. Here's how taking your training to the trail can improve strength, endurance and spe...

By Marc Lindsay

9 Zombie Runs to Add to Your Race Calendar

Embrace your inner zombie, or brush up on your undead apocalypse fitness, with these nine events that range from the family-friendly to the positiv...

By Michael Clarke

6-Week 5K Training Plan With a Music Mix

Let the rhythm and beats be the fuel and motivation that gets–and keeps–you running. Follow this music-inspired training plan and downl...

By Fara Rosenzweig

How to Beat Marathon Fatigue

Fatigue is not something specific to slow or average runners—it happens to every one. Here's how to train to beat marathon fatigue (warning: ...

By Jason Karp, Ph.D.

How Quickly Do You Lose Running Fitness?

How soon do you actually lose the fitness you've worked so hard to gain when you take time off? The answer may surprise you.

By Jason Fitzgerald