Interval workouts can be tailored for beginners by starting with shorter high-intensity intervals followed by longer low-intensity phases. For example, they could engage in 20-30 seconds of brisk walking or light jogging, then recover with 1-2 minutes of walking or rest. Gradually, beginners can increase the length and intensity of high-intensity phases as they adapt. It's crucial to allow adequate recovery and to choose exercises that feel comfortable and manageable, ensuring that the workouts remain enjoyable and less intimidating.