Starting a fitness routine is the easy part. Sticking with it after the initial workout buzz and excitement fade is what separates the truly fit from the wannabes. That drop in enthusiasm is almost inevitable no matter how pumped you were when you first hit the gym. Creeping boredom, changes in your work or personal life, and a lack of noticeable results can all stunt your focus and give you excuses to skip sessions, says physical therapist Kosta Kokolis, cofounder of Bodhizone Physical Therapy in New York City. Instead of letting your fitness falter once training gets tough, boost your motivation up with these 11 tips and tricks. They’ll keep you energized, challenged, and on track to hit your fitness goals.