Ключевые слова: 400m, action, active, activity, adult, arena, athlete, athletics, baton, challenge, championship, compete, competition, competitive, contest, determination, editorial, energy, event, fast, field, indoor, man, meeting, middle distance, middledistance, motion, movement, people, person, professional, relay, run, running, speed, sport, sports, sportswear, stadium, strength, strong, sumy, track, track and field, track running, trial, ukraine, ukrainian, venue, young,