REMO operates a FineFit booth at the Seonyang Barebody Running Festival, providing posture analysis and future body prediction for marathon participants. The primary target focuses on runners exposed to repetitive high-impact exercise, supporting early detection of imbalance and injury risk. FineFit results integrate with on-site collaboration involving physical therapists and medical professionals for health uidance. This case validates FineFit as a preventive sports healthcare solution through real-world event-based POC deployment.