Ключевые слова: aerodynamics, athlete, athletes, bicycle, bicycles, bike, biker, blur, challenge, competition, curve, cycle, cycling, effort, elite, event, fight, gamla stan, helmet, iron man, itu world triathlon series, leader, men, motion, performance, pro cycling, professional, race, racer, riding, speed, sport, sprint, stockholm, sweden, track, triathlete, triathlon, vattenfall world triathlon 2104,