Stock photography, photos: A woman running along a desert trai Stock photos of A woman running along a desert trail near Death Valley, 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, liveliness, speed, determination, momentum, motivation, strength, aerobic, desire, adventure, freedom, sierra, mountains, fast, speed, solo, alone, woman, morning, evening, summer, California, desert, horizontal, distance, vista, vastness, blur, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20, s, 30, thirties, one, 1, person, dreo