This study aims to analyze the impact of the circuit training model on improving the physical condition of futsal players at ZFCA Cidahu. The research method used a quasi-experimental quantitative approach with a One-Group Pretest-Posttest design. The research sample consisted of 20 players determined through a purposive sampling technique. Data collection instruments included a 20-meter sprint test, Illinois Agility Run Test, Standing Long Jump, Bleep Test, and zigzag dribbling test. Data were analyzed using a paired sample t-test to measure the effectiveness of the intervention over four weeks. The results showed a significant increase in all tested physical components. For the speed variable, a Sig. (2-tailed) value of 0.000 was obtained with a t-count of 8.405 > t-table of 2.093. Meanwhile, for the agility variable, there was a decrease in average travel time of 2.29 seconds with a significance of 0.000. These findings prove that systematic circuit training interventions can optimize neuromuscular adaptation and physical performance of players. It was concluded that a structured and measurable circuit training program is an effective method for improving players' physical readiness and mobility to meet the demands of high-intensity futsal matches. Keywords: Circuit Training, Physical Condition, Futsal, Agility, Speed.
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