It refers to the company responsible for organizing and managing the marathon events in the Bayuquan area. Bayuquan is a district in Dalian, Liaoning Province, China. The main responsibilities of the marathon operation company are to plan, organize and execute the marathon in the Bayuquan area. They are responsible for determining the route of the race, arranging the event schedule, coordinating sponsors and partners, and ensuring the smooth running of the race. In addition, they are also responsible for promoting the event to attract more participants and spectators. The goal is to promote the development of sports and enhance the region's visibility and image by hosting marathon events.