The Endurance of Speed: The Revolutionary New Way to Train for Marathons & Half-Marathons by Jason R. Karp, Jason R. Karp

The Endurance of Speed: The Revolutionary New Way to Train for Marathons & Half-Marathons

Jason R. Karp, Jason R. Karp

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Oftentimes, runners’ performances plateau not because of what they do, but because of what they don’t do. And one of the things that many runners don’t do when they start running as adults is work on their basic speed. They never become fast runne...

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