Fourth Corner Boxing & Fitness: Peachtree City's elite gym in Fayette County, GA. Merging 5000 years of boxing tradition with modern fitness training. Start your day stronger or finish it with a knockout! At Fourth Corner Boxing & Fitness in Peachtree City, our certified coaches lead high-energy boxing classes, strength and conditioning sessions, kids’ boxing programs, and personal training for all levels. Early risers love our morning boxing classes and 24/7 open gym access, while evening and weekend warriors pack a punch in our classes and community events.