Running Workouts to Build Speed and Endurance

Use this 7-day running program to build endurance, increase speed, and burn calories—even when you're tight on time. Looking for fresh ways to stay in shape? Join to get a week of express workouts that are each less than 15 minutes. Starting with the breath and dynamic warmup exercises, each day has a different workout to take you further in your strength and conditioning. It’s simple enough to do in your neighborhood, a park or almost anywhere. To lengthen this program, do the same workouts weekly but each week, increase your reps or set.