Operational since 2003, Arena Fitness has been providing various group exercise and personal trainers. It specializes in providing personal, as well as semi-private fitness training to its clients. Based in Los Angeles, Calif., the fitness center conducts numerous fitness classes for all age groups. Arena Fitness provides a range of classes in the categories of ballet booty, Brazilian Jiu Jitsu for kids and core concepts, among others. Additionally, the fitness center conducts other classes, such as kickboxing and total body conditioning, to name a few.