Ключевые слова: adult, autumn, british, country, countryside, descent, downhill, england, english, europe, european, exercising, fell running, fitness, footpath, hill, hills, jogger, jogging, landscape, male, man, marathon, men, middle aged, nature, nidderdale, north yorkshire, outdoors, outside, people, person, rough, run, runner, runners, running, scar house reservoir, scenery, slope, summer, trail, trail runner, trail running, uk, ultra, valley, yorkshire, yorkshire dales,