Ключевые слова: adult, athlete, athletic, background, camelbak, caucasian, cliff, climbing, competition, crosscountry, descent, downhill, endurance, female, field, girl, hiking, jogger, jogging, marathon, mountain, outdoor, outdoors, peak, poles, race, rock, run, runner, sky running, skyrunner, skyrunning, slope, sport, sticks, track, trail, trail running, trekking, ultra, woman,