Currently he is a full time member of the coaching staff at Koury Natatorium of UNC, where he also coaches several age groups of the North Carolina Aquatic Club. Barrett is USMS and USS certified and a member of the American Swim Coaches Association. An anaerobic set is desirable to achieve the ideal results. In its purest sense, the anaerobic energy system is used for swimming at very fast speeds. The anaerobic system delivers quickly, and a large amount of energy per unit of time is expended.
Most masters swim their workouts within their comfort zone, ignoring the interval rest times.
This is acceptable if the desired results are aerobic. However, this will have little or no effect on speed. In order to swim fast you need to practice it just like you would any other drill. Break out of your comfort zone during these sets. A one second count ensures full reach, rotation with proper timing, and a streamline position.