It's important to plan your workouts around activities that you enjoy, and also to vary the exercise mode as far as possible. If you dislike running, choose activities that you like better. The more enthusiastic you are about an activity, the more likely you are to work hard and keep it up. In fact, frequently changing the mode of cardio may produce better results than simply increasing the duration of time you spend doing it as your body becomes more efficient in performing a movement over time, using less energy. For example, perform your cardio training on a stationary bike on one day, a stepping machine on second and a rowing machine on third day.