The image shows a large group of people participating in a marathon. The runners are running on a street with tall buildings in the background. The sky is blue and the weather appears to be sunny and clear. Some of the runners are wearing colorful shirts with numbers on them, indicating that they are participating in the race. There is a large crowd of spectators on the left side of the image, some of whom are holding pink balloons. On the right side, there is a building with a sign that reads "Chicago Fire Department." The runners appear to be in the middle of a race, as they are all wearing running gear and running shoes.