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Interval Training Articles & Advice

2 Interval Training Plans to Build Speed

Put some pep into your workouts by trying one of these two interval training plans that will help you improve your fitness level and your running t...

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8 Killer Ab Exercises

Get a tight stomach in just six weeks without doing a single crunch. This may be the easiest workout we've ever printed.

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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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Quiz: What Kind of Yogi Are You?

No matter if you're a fitness junkie or a dropin yogi, find out your yogi personality and the best way to crosstrain

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Couch to 5K®
Couch to 5K®

Couch to 5K®

The best way to get new runners off the couch and across the finish line of their first 5K.

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