Stock photography, photos: A man running in spring Stock photos of A man running past flowers on the Lake Tahoe Rim Trail. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: running, runner, run, training, high, back, country, inspiration, action, active, effort, energy, liveliness, endurance, determination, motivation, strength, strong, power, challenge, desire, difficult, adventure, freedom, enthusiasm, sierra, mountains, California, distance, vista, grandeur, man, male, solo, self reliance, spring, summer, Tahoe, sierras, blue, yellow, orange, alpine, trail, mules ears, yellow, flowers, rim trail, rifle peak, outdoor, outdoors, outdoorsman, outside, sports, sport, sportsman, recreation, recreational, exercise, exercising, physical fitness, health, healthy, one, 1, person, 20s, twenties, 30s, thirties, athlete, athletic, horizontal, Russell Preston