Want to run a faster 5K? Then you're going to have to strengthen more than just your legs. If you're looking for tips to run a faster 5K, start by training your arms. 

How to run a faster 5K: you need to train your arms 

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Run coaches believe that strong arms are crucial to good running posture

Running is actually a bit of a workout for your arms (if you use them properly)

Which arm exercises should you try to help run a faster 5k?

Our arms play a bigger role in running than you might think.

How to run a 5k faster: do you need to train your arms in order to run faster?