Switching up your workout routine is very important in being successful with your fitness goals. Perhaps you have been running for a few months and at first the results were great, but now those results really are not coming in like they used to. The human body adapts to it's environment, so you need to switch it up! Instead of running there are tons of options. You can use a stairmaster, do hill sprints, or even take a cycling class. All of these options will still get your heart rate up to burn that unwanted fat and keep your routine interesting. You will likely see better results and because you will not be as bored, the switch might be enough to keep you chasing after your long term goals.