POPSUGAR Celebrity

Come Inside For Cardio: 26 Treadmill Workouts For All Levels

Mar 27 2015 - 1:10pm

While there's nothing quite like running outdoors, unruly weather sometimes makes it impossible. For those rainy or blustery days, there's the trusty treadmill. Whether you're a beginner runner or have a few marathons under your belt, we've got a running workout for you. From a run that mimics going up and down San Francisco hills to another that has you ascending a mountain, you'll swear you're actually running outside.

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