![I started trying to run on the balls of my feet rather than my heels, and my calves are killing me... : r/running I started trying to run on the balls of my feet rather than my heels, and my calves are killing me... : r/running](http://i.imgur.com/9NjYv.jpg)
I started trying to run on the balls of my feet rather than my heels, and my calves are killing me... : r/running
Running on toes or heels? Studies suggest this one technique to be better to run faster | The Times of India
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Footstrike – Should You Worry About It? — Fix Your Run | Stronger, Bulletproof Runners by John Goldthorp
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