Ключевые слова: aquatic, aquatic sport, aquatic training, athlete, athletic discipline, athletic performance, athletic skill, challenge, cold water, cold water immersion, cold water swim, competition, competitive, dedication, determination, elite triathlete, endurance, exercise, fitness, fitness regimen, night, night preparation, night swim, night training, night workout, nighttime fitness, nighttime triathlon, outdoor swim, performance, physical fitness, preparation, professional, professional athlete, race, sport, sports, sportsmanship, swim coach, swim practice, swim routine, swim session, swimmer, swimming, swimming technique, training, training regimen, triathlete, triathlon, triathlon event, triathlon training,