I like to keep it entertaining so I play a lot of basketball. If I cant find the time for that I do interval training:
30 secs walking
30 secs jogging
30 secs sprinting
Repeat as desired
Listening to some inspiring music also helps while interval training.
Massive Gains = Right Knowledge + Consistent Training + Consistent Diet
Workout Moto: "The more you hate it, the better the results"