If you have a limited amount of time to train, you should maintain your focus throughout. Keeping your big goal at the front and centre of your mind is important because it focusses the rest of your workout. If your goal is to improve your bench press, spending 30 minutes every session warming up on an exercise bike is a waste of your time and energy. Pick your goal and focus on the important work Here's a few tips for maximising your workout time.ġ. You can spend a lot of time in the gym or on the track, but if your time isn't used effectively your fitness may suffer. When it comes to exercise and training, time spent and results don't always match up.