female running on treadmills doing cardio training in a gym,healthy lifestyle concept,happy and smiling

action active activity athlete athletic attractive beautiful body cardio care caucasian club concepthappy doing equipment exercise female fit girl gym gymhealthy happy health healthy indoors jogging lifestyle listening machine moving muscular people relax run runner running shape slim smiling sport sportswear sporty strong sunray training treadmill treadmills view walk white woman workout young