Stock photography, photos: Winter trail runners Stock photos of A couple trail running in the winter near Truckee, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Running, runners, run, action, active, partners, energy, liveliness, momentum, motivation, vista, distance, vastness, female, woman, man, male, couple, snow, winter, mountains, horizontal, California, CA, Athletic, athlete, Outdoor, outdoors, outside, sports, sporting, sport, exercise, health, healthy, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20s, 30s, thirties, 2, two, people, sawc schu