Half Marathon Training

Advice to Help You Tackle Your Next Half Marathon

Half Marathon Training Articles

When it Is Good to Gain Weight

Should runners try to maintain their ideal racing weight in the offseason? Matt Fitzgerald discusses the pros and cons of gaining weight after a pe...

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Half-Marathon Training for Beginners

Halfmarathon training is crucial for success at the 13.1 race distance. But that's even more so for newbies. Find out what you need to know to maxi...

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Train for a Marathon Using a 10K

The 10K can prepare your body for the rigors of marathon training in ways you probably never realized. Here's how to use this underrated distance t...

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Train for Your Muscle Fiber Type

Does your training plan account for your muscle fiber type composition? Find out why this makes a difference, and take the quiz to discover your type.

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Ryan Hall's Olympic Marathon Preparation

We picked America's fastest marathoner, Ryan Hall's, brain to discover what he thinks about when ticking off those lighteningfast 26.2 miles. Read ...

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13.one Half Marathon
13.one Half Marathon

13.one Half Marathon

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Jason Karp
 

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