A HIIT workout can range from as little as four minutes to 30 minutes. As a beginner, a good place to start is with 10-15 minutes of HIIT, and you can increase the number of intervals for a longer workout as your fitness improves.

Is HIIT good for beginners?

No matter where you're at on your fitness journey, incorporating an advanced - or a beginner HIIT workout into your fitness routine can help you to improve your fitness. In fact, HIIT is considered to be one of the best kinds of workouts that you can do to burn fat, tone and improve your cardiovascular health.

Is it better to do HIIT or run first?

The short answer that everyone is looking for can be condensed. If you want to build muscle, run first. If you want to build your endurance and aerobic capacity, run last. Essentially, your body's adaptive response is greater for the type of exercise that you finish your workout doing.