This 2 Week Bodyweight Challenge provides a great workout at home, without any equipment at all. Our online workout calendar tracks your progress through the challenging and highly effective HIIT, bodyweight strength training, cardio, Pilates, stretching, and agility training workouts. These are challenging, fast paced, cardio heavy workouts that range from 27-40 minutes in length, averaging out to 36 minutes a day. Using only your own body weight, this challenge can help improve strength, tone, overall physical ability, and cardiovascular endurance.