Prompt
Generate an image of a male American long-distance runner in his athletic prime, wearing a track and field uniform, with a determined expression on his face. He is running on a track with a blurred background, conveying a sense of speed and motion. Incorporate subtle hints of his achievements, such as a faint image of the American flag or a medal in the background. The style should be realistic and dynamic, capturing the intensity of the sport. The image should be reminiscent of a classic athletic photograph from the 1970s or 1980s.