Ключевые слова: 4x400, athlete, athletes, athletic, athletics, balkan, balkan athletics championships, balkan athletics u20 championships, balkan championships, baton, boy, challenge, championships, competition, denizli, event, exercise, fitness, healthy, istanbul, jogging, male, man, men, olympic game, race, relay race, run, runner, running, sport, sports, sporty, sprinter, sprinting, track, track and field, training, turkey, turkiye, u20, wellness, workout,