Loading…
Underground Performance Gym is a Ventura-based fitness facility offering 24/7 access with a wide range of strength, cardio, and functional training equipment, plus certified personal training. It provides nutrition coaching, specialty lifting gear, and flexible membership options, including a 7-day free trial. The gym also hosts powerlifting and strength events (USPA competitions, Festival of Strength) and operates a shop selling apparel and supplements.
AI named Underground Performance Gym in March 2026.