Some runners dread hills and actively avoid them, which if you live in the SF Bay Area can be a rather difficult task. And by skipping the incline you miss the opportunity to build both speed and stamina , while giving your booty a little extra kicking. Plus running hills makes the flats feel like a breeze. If inclement Spring weather is forcing your workouts inside, you can still run hills. I have made a rolling
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Cardio Workout: Rolling Hills on the Treadmill


John


