The image shows a large group of people participating in a marathon. The runners are running on a street lined with trees and buildings on both sides. The sky is blue and the sun is setting, casting a warm glow over the scene. The participants are wearing colorful clothing and running shoes, and some are wearing reflective vests. There are banners and advertisements on the sides of the street, indicating that the race is taking place in a city. The overall mood of the image is energetic and determined.