close-up of a runner's shoe in action.

light reflection photograph sunlight blue darkness hand footwear night yellow morning black person limb leg sports evening clothing shadow white generative close-up run feet jogging runner lifestyle healthy sport people man fitness road health sunset silhouette energy training exercise advertising speed young adult body workout athlete shoe marathon recreation athletic flare endurance leisure outdoor active strong activity fit vitality action outside running legs shoes foot walking woman runner's one ground firmly side lifted prepare rise soar non-existent