Since 1998, Barry's has been delivering The Best Workout in the World® to a legendary following, including A-list celebs, models—even Olympic athletes. Barry's signature hour-long workouts include 25-30 minutes of interval cardiovascular treadmill routines and 25-30 minutes of strength training utilizing free weights, resistance bands, and other equipment. Trainers, muscle groups and even workout segments vary throughout the week so that no one class is ever the same.