This workout is an adaptation of the “30-20-10” Interval workout that has become popular with many runners and cyclists.  It works very well as a Vasa Swim Erg power-building swim workout. WHAT IS IT?  The workout consists of doing seven one-minute intervals in a continuous “round” or set. Each work interval consists of doing 30 … Continue reading Vasa 30-20-10 Power Building Interval Workout