You’re halfway through a run when your legs start feeling like cement blocks. Your breathing becomes heavy and ragged, and that nagging side stitch just won’t subside. Your goal was to make it 20 more ...

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What if we said you could run farther and faster, while sidestepping fatigue and avoiding injury, simply by incorporating precisely planned recovery intervals? That’s right, we’re talking about the ...

It doesn’t matter if sprinting becomes your full-time passion or just part of your regular exercise routine. You’ll enjoy the rewards that come with getting a little faster and stronger each time you ...