Black Flag Jiujitsu in Rockford, Illinois is a competition-focused Brazilian Jiu-Jitsu gym that offers extensive mat space and high-level training for both beginners and experienced practitioners. The gym creates a welcoming, family-like atmosphere where students can cross-train and develop their skills through technical instruction and elite-level coaching. Members appreciate the down-to-earth community, spacious facilities, and the gym's approach to providing serious competition preparation without unnecessary hierarchy.