Stock photography, photos: A man jumping while running Stock photos of A man jumping while running in the snow during winter in the Sierra Mountains, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: running, run, runner, back, country, backcountry, simplicity, inspiration, distance, vista, grandeur, vastness, fast, action, active, effort, energy, liveliness, endurance, determination, momentum, motivation, strong, aerobic, challenge, desire, difficult, adventure, freedom, winter, cold, snow, man, male, solo, alone, self, reliance, morning, alpenglow, sierra mountains, California, CA, white, training, jumping, jump, leap, leaping, outdoor, outdoors, outdoorsman, outside, sports, sport, sportsman, recreation, recreational, exercise, exercising, physical fitness, health, healthy, athlete, athletic, horizontal, Pres