The aim of research — to identify the change dynamics of physical fitness state of 20—59-year-old Lithuanian men who participated in the final competitions — “Lithuanian Robust”. The testees were healthy 20—59-year-old men contestants at the competition “Lithuanian Robust” (n = 415). They were divided into 8 age groups and tested in autumn, 1999—2003. It was found out that their dynamic strength endurance and aerobic, anaerobic capacity of hand muscle, arm flexsor muscle, abdomen muscle as well as waist agility, back cathetus decreases depending on age and the studied indicator. Keywords: age group, physical capacity.