Easy Cardio Boost with Beginner-Friendly Norwegian Interval Workout

A beginner-friendly alternative to the intense Norwegian 4x4 interval workout involves doing 6-10 400-meter runs at a controlled pace with short recovery periods, which can improve aerobic fitness and running resilience while being more accessible for newcomers. The routine should be performed 2-3 times a week with proper warm-up and rest, emphasizing listening to your body to prevent injury.