While it’s true that the average walking speed of 2-3 miles per hour (60-90 steps per minute) is not sufficient to raise your heart rate into the training zone of 60-85 percent of maximum capacity, there are ways to overcome this. One way, of course, is to increase your pace (more than 3.5 mph). Others include walk climbing or stair climbing. But perhaps the most clever walk-to-work training routine is walking with a weight-loaded backpack.
