Popsugar Fitness Workouts Best Treadmill Workouts If Winter Stopped Your Runs, Get Back on Track With This 1-Week Treadmill Workout Plan January 30, 2018 by Jenny Sugar View On One Page Photo 3 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 30-Minute Pyramid Interval Workout Click here for a printable version. Previous Next Start Slideshow WorkoutsRunningTreadmill WorkoutsInterval WorkoutsIntermediate WorkoutsElliptical Workouts