Running hills is great exercise, but can sometimes be cumbersome. You can make it a little easier. While running up the hill, focus your eyes on the top of the hill and keep your head up. This will make it easier to breathe by opening up your airways.
Make sure to replace your workout shoes after a while to avoid having major knee injuries. It is generally suggested that you determine an expiration date of sorts on your workout shoes. To calculate this, figure that shoes generally last for about 500 miles. Take the number 500 and divide it by your weekly mileage to see how long your shoes should last.
If you are going shopping at the mall, you can add exercise to this fun activity by walking around the mall before you start shopping. If you have a smaller mall, increase the amount of times that you walk through the mall before shopping. You can also try walking up the escalator to add a little more exercise.