Ключевые слова: 4x400, athlete, athletes, athletic, athletics, balkan, balkan athletics indoor championships, balkan indoor championships, baton, challenge, championships, competition, end, event, exercise, female, finish, finish line, fitness, girl, healthy, istanbul, jogging, race, relay race, run, runner, running, sport, sports, sporty, sprinter, sprinting, success, track, track and field, training, turkey, victory, wellness, winner, woman, women, workout,