Sprinting every day for 30 days I didn't think this could happen

Sprinting is a great exercise for the whole body. This workout helped me a lot when I was young. And now, many years later, I want to feel my legs burn again

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Is it ok to practice sprinting everyday? - Quora

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Is it ok to practice sprinting everyday? - Quora

I Ran Every Day For 30 Days, These Are The Results

The 30 Day No-Warmup Sprint Experiment — Advanced Human Performance Official Website

I Ran a Mile a Day for 30 Days — Here's What Happened

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I Ran Every Day For 30 Days and This Is What Happened, by Zinnia Alexander, Runner's Life