Self-efficacy significantly impacts an individual's fitness journey by influencing their confidence in achieving fitness goals. Higher levels of self-efficacy lead to greater motivation, persistence, and resilience when faced with obstacles. When individuals believe in their ability to succeed, they are more likely to engage in regular exercise, adopt healthier eating habits, and maintain consistency. Conversely, low self-efficacy can result in avoidance or giving up when faced with challenges. Cultivating self-efficacy through setting achievable goals, tracking progress, and celebrating small victories can enhance the likelihood of long-term success in a fitness journey.