Running STI (Serious Tough Individuals)

Running STI (Serious Tough Individuals) refers to a training approach focused on building resilience, mental toughness, and physical endurance. It emphasizes challenging exercises, disciplined routines, and pushing personal limits to develop strong character and stamina. The goal is to prepare individuals to handle stressful or demanding situations effectively, often used in military, law enforcement, or competitive fitness contexts. This method promotes perseverance, confidence, and self-discipline through rigorous, purpose-driven activities that foster personal growth and durability under pressure.