ABSTRACT This study aims to measure the Fatigue Index in SSB Duri Galaxy U-17 football players based on their playing position. The method used is descriptive quantitative with testing and measurement techniques using the Rast Test. The research sample was 22 players who were SSB Duri Galaxy U-17 athletes. Of the 22 athletes, 3 athletes (13.64%) did not experience fatigue or had a low fati…