the purpose of this study was to determine the relationship between cortisol hormone and plasma metabolites change in male runners. for this purpose, 16 young male runners (age 21.8 ± 2 years, height 175 ± 5.26 cm, weight 64.17 ± 2.21 kg) volunteered in this study. in order to examine plasma cortisol and metabolites changes, subjects were required to perform balk exercise test. blood samples we...