<![CDATA[This study aimed to analyze the relationship between leg length and lower-limb explosive power with 40-meter sprint speed among players of Club SSB Aghlan Lembar NTB. This research employed a quantitative approach with a correlational design. The sample consisted of 30 players who completed leg-length measurement, Standing Broad Jump test, and 40-meter sprint test. Sprint time was converted into running speed (m/s) and analyzed using descriptive statistics, Shapiro-Wilk normality test, Spearman correlation, and multiple linear regression. The results showed that: (1) leg length had a significant positive relationship with sprint speed (rho = 0.529; p = 0.003); (2) lower-limb explosive power had a significant positive relationship with sprint speed (rho = 0.687; p < 0.001); (3) both variables jointly showed a significant relationship with sprint speed (R = 0.727; R2 = 0.529; F = 15.150; p < 0.001); and (4) lower-limb explosive power showed a stronger relative contribution than leg length. In conclusion, leg length and lower-limb explosive power are important factors associated with 40-meter sprint performance, with lower-limb explosive power showing a stronger relative contribution than leg length. Keywords: Lower-Limb Explosive Power, Leg Length, Football, 40-Meter Sprint, Youth Soccer School]]>
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