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Introduction: Soccer is a high-intensity sport that involves movements such as jumps, sprints, changes of direction, and other dynamic actions, which require optimal physical development, including explosive strength and an adequate balance of body composition, both of which are essential to meet competitive demands. Objective: To analyze the relationship between physical performance and body composition in semi-professional soccer players. Methodology: A total of 20 players were evaluated (age: 19.03 ± 0.8 years, weight: 71.36 ± 6.8 kg, height: 174.12 ± 6.4 cm). Explosive strength was assessed through squat jump height and countermovement jump. Body composition was determined using the ISAK anthropometric method. Agility was measured with the Illinois agility test and the T-test, and acceleration was assessed over a 30-meter sprint. Results: Significant correlations were observed between the fat component and agility (r = .681**, p = .001). Negative relationships were also found between explosive strength and agility, as measured by the Illinois test (r = -.542*, p = .013; r = -.478*, p = .033, respectively). Discussion: The findings confirm that fat mass negatively affects physical performance and emphasize the importance of explosive strength training in this type of sport to enhance different types of movement. Additionally, the role of jump training in optimizing horizontal displacements is highlighted. Conclusions: A direct relationship between physical performance and body composition is confirmed, indicating that the development of specific physical capacities should be combined with the optimization of body characteristics to maximize competitive performance.