Soccer players are required to have good physical fitness in order to achieve optimum accomplishment; physical fitness stands as the foundation of technical and tactical proficiency as well as the mental maturity during the matches. The are some Surabaya Soccer School  (SSB) found in the area of Surabaya including SSB Surabaya Bhakti. The purpose of this study was to identify the physiological profile of junior soccer players of SSB Surabaya Bhakti age 16-17. The research was conducted at 20 junior soccer players. This research was quantitative with descriptive analysis. Data were collected by testing of physiological (anaerobic power and capacity including explosive leg power, speed, agility; aerobic capacity: cardiovascular endurance). Data was analyzed using procentage.

The result showed that the procentage of explosive leg power of junior soccer playerrs were 30% (good category), speed was 85% (average category), right agility was 90% (average category), left agility was 75% (average category), these data for anaerobic power and capacity. On the other hand, the aerobic power and capacity of the junior soccer players in this study was 50% (average category). The conclusion of this research that the physiological profile of junior soccer players at SSB Surabaya Bhakti age 16-17 was majority in average category.