Arena Fitness is the Northridge gym that you've been looking for. Our circuit-based personal training, semi-private training, and group training classes will give you the fast-paced, dynamic, and full-body workout that you need to accomplish your goals, whether that's weight loss, strength building, or general fitness. You'll never get bored or burnt out with our varied and comprehensive workouts combining cardiovascular conditioning, endurance training, strength exercises and core blasting for the ideal head-to-toe workout. For just $20, you can have a full week to check out what we're all about and learn more about program, including: Group Training Classes Semi-Private Training Personal Training 6am Bootcamp Classes Weight Loss Contests Adventure Racing Avoid traditional health club hassles, up-front fees and overcrowding, and get personal training, semi private training and group fitness classes at affordable rates in a comfortable setting by trying us out today!