Stock photography, photos: A man running in the mountains Stock photos of A man running in the mountains near Yosemite, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Running, runner, run, training, high, back, country, action, active, effort, energy, liveliness, determination, momentum, motivation, strength, strong, aerobic, desire, freedom, solo, alone, man, male, spring, summer, California, sierras, alpine, vertical, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20, s, 30, thirties, one, 1, person