What is the primary focus of training that incorporates intervals for speed?

The primary focus of training that incorporates intervals for speed is to develop short bursts of high-speed performance. Interval training typically consists of alternating periods of intense effort with periods of rest or lower intensity. This method allows athletes to push their speed and power during the work intervals while also managing fatigue.

By focusing on short, high-intensity efforts, athletes can enhance their anaerobic capacity, improve their sprinting ability, and increase overall speed. This targeted approach is particularly effective for sports and activities that require quick acceleration and rapid changes in pace, making it essential for sports like sprinting, football, and hockey.

Other options, while relevant to overall fitness and athletic ability, do not specifically align with the goals of interval training for speed. For instance, improving body strength and size is more related to resistance training; enhancing agility through random activities focuses on dynamic movement skills rather than speed; and increasing endurance over long distances generally involves steady-state aerobic training.