Half Marathon Training

Advice to Help You Tackle Your Next Half Marathon

Half Marathon Training Articles

How You Know You Are a Runner

How do you know that you're a runner? When certain habits become second nature, you've become one of us. Check out this fun look at runners' quirks.

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The New Rules of Marathon Nutrition

Want to get leaner for your next marathon? Active Expert Matt Fitzgerald studied the diets of elite runners for years, and shares their secrets.

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Is Your GPS Watch Accurate?

If your GPS watch says that marathon you ran was actually 26.5 miles, what should you do? Before you question the race itself, first find out how a...

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Why Too Much Running Is Bad for Your Health

When it comes to running and other forms of vigorous exercise, more isn't always better. Rack up too many miles each week and you may actually harm...

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Meet Our Experts

 
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Jason Karp
 

Jason Karp is a nationally-recognized running and fitness coach and owner of Run-Fit.