Stock photography, photos: A woman trail running Stock photos of A woman running in the back country near Truckee, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Running, runner, run, training, back country, action, active, effort, energy, determination, momentum, motivation, strength, strong, aerobic, desire, freedom, carefree, sierra, mountains, distance, vista, solo, alone, self reliance, woman, female, California, sierras yellow, vertical, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20, s, 30, thirties, one, 1, person, Sobo