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Improve Overall Fitness, Fast

Email sent: Jul 1, 2013 10:00 am

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Intervals can improve speed and endurance for beginner, intermediate, and even advanced runners. 

Looking for a way to boost cardiovascular endurance, burn fat, and boost metabolism in less than half an hour? Try running intervals — alternating high-intensity cardio with walking and jogging keeps the muscles (and brain) in shape, in just a few minutes.
Read more...


Run with Us

Sign up for Greatist’s July 5k challenge today and train to run a virtual 5k by the end of the month.

Hunger Game

Running intervals can rev up metabolism — score!
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