Popsugar Health & Fitness Ab Workouts 3-Minute Ab Workout For Runners This Ab Workout For Runners Is 3 Full Minutes of Planking That'll Set Your Core to Max Burn 3 August 2019 by Maggie Ryan View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Side Plank Balance on your right hand and the outside edge of your right foot, with your body in one straight line. To modify, stagger your feet and bring your top leg forward. Hold for 30 seconds on each side. Previous Next Start Slideshow Ab Workouts5-Minute WorkoutsRunningWorkoutsAb ExercisesPopsugar Interviews